Ms. Johns shows her class a correct model of the Solar System. What can the model show that is just like the real Solar System?

A)
how heavy Earth is


B)
how fast the Sun spins


C)
how many planets there are


D)
how big the Solar System is

a cell adapts using natural celection in the long term

in the short term, look at this Wikipedia article.

https://en.wikipedia.org/wiki/Cellular_adaptation

We have cells from the hair on our heads to the nails on our toes. Our bodies have about 200 different  types in all. Cells form our muscles and bones. They help us turn food and oxygen into energy. They heal our wounds and keep us well. Cells perform their particular duties with strict protocols and in amazing order. They also communicate and cooperate with the cells around them. However, once their job has done all it can. and they have given their all, they kill themselves to make room for new, healthy cells.  This is how our bodies work to keep healthy and grow.

Bad cells (cancerous) are quickly killed by the immune system. Unfortunately, some of the damaged cells find ways to survive. Normal cells grow, divide and use their cellular machinery according to predefined rules in the cells but cancer cells mislead the body's signals causing the cancer cells to divide and spread.

Perhaps this information will help guide you to your specific answer to your question

Answer:

The answer is B

Explanation:

The heart has two sides: the left side and the right side. Each side of the heart is divided into two parts, called the atrium and the ventricle. The atrium is the top part. The ventricle is on the bottom. Please give me the brailiest answer?

:) Hoped this helped!!! Have a good day!!! <3

The human heart is divided into four chambers, comprising two atria and two ventricles, which are separated into two sides by a septum. The correct answer to the question is B. two sides and four chambers.

The human heart is divided into four chambers. On each side of the heart, there is one atrium and one ventricle. The right side consists of the right atrium and right ventricle, mainly responsible for pumping deoxygenated blood to the lungs. Conversely, the left side comprises the left atrium and left ventricle and is tasked with pumping oxygenated blood to the rest of the body. Each atrium acts as a receiving chamber for blood and contracts to push blood into its respective ventricle. The ventricles are the main pumping chambers, forcing blood out of the heart to the lungs or bodily tissues. A septum divides the heart's left and right sides, and one-way valves ensure that blood flows in the correct direction, preventing any backflow. Based on this information, the correct answer to the student's question, "Into how many sections is the human heart divided?", is B. two sides and four chambers.

It’s B. The egg goes through the tube and is fertilized then released

The answer would be B. More windy.

Answer:

D. cooler

Explanation:

The answer to this question on Study Island is...

D. cooler

For photosynthesis to occur, plants need sunlight, water, carbon dioxide and chlorophyll. Through the process of photosynthesis plants convert light energy into chemical energy. They use this energy to make food which they store as sugars.

Plants require sunlight, carbon dioxide, and water to carry out photosynthesis, converting them into glucose and oxygen as a result.

Light: Sunlight, or more specifically, the energy carried by photons in the visible spectrum, is the primary source of energy for photosynthesis. Chlorophyll, a green pigment found in chloroplasts, absorbs light energy and initiates the process.

Carbon Dioxide (CO2): Plants take in carbon dioxide from the atmosphere through tiny pores called stomata, primarily located on the underside of leaves.

Carbon dioxide serves as the source of carbon for the synthesis of glucose.

Water (H2O): Water is absorbed from the soil by plant roots. In the process of photosynthesis, water molecules are split in a process known as photolysis, releasing oxygen as a byproduct.

Chlorophyll: This green pigment found in chloroplasts is crucial for capturing light energy.

Chlorophyll molecules contain magnesium and are responsible for absorbing light, which starts the chemical reactions of photosynthesis.

Enzymes and Other Molecules: Several enzymes and molecules, such as NADP (nicotinamide adenine dinucleotide phosphate) and ATP (adenosine triphosphate), are involved in the various stages of photosynthesis to help convert carbon dioxide and water into glucose.

Chloroplasts: These are specialized organelles found in plant cells where photosynthesis takes place.

They contain chlorophyll and other pigments needed for the process.

Photosynthesis is a complex series of reactions that can be summarized as follows:

6 CO2 + 6 H2O + light energy → C6H12O6 (glucose) + 6 O2.

For such a more question on carbon                                                                                                                                                                        

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Question

What do plants need in order to perform photosynthesis?

Answer:

When a nerve impulse reaches the end of an axon, the axon releases chemicals called neurotransmitters. Neurotransmitters travel across the synapse between the axon and the dendrite of the next neuron.

Explanation:

Thats all i could think of

Answer:

impulses

Explanation:

the long threadlike part of a nerve cell along which impulses are conducted from the cell body to other cells.

birds!!!!!!!!!!!!!!!!!!!!!

The earth is made up of fossils that have been discovered around the world

What piece of lab equipment should be used when transferring a test tube from the rack into a beaker of hot water?            

The answer is a test tube clamp.          

These clamps are used for holding test tubes firmly in place when the tubes are hot.                                                        

Answer: The correct answer would be test tube clamps.

Explanation:

Test tube clamp or holder is laboratory instrument used to hold a test tube in place particularly if it is hot or it is dangerous to touch it with bare hands.

For example, when a test tube is being heated it should be hold with the help of test tube clamps or when it needs to be transferred to the beaker of hot water.

An image of a test tube holder or clamp is pasted below for reference.

Settlement can be directly turned into sedimentary rocks.

Sedimentary rocks are kinds of rocks that are framed by the collection or statement of little particles and ensuing cementation of mineral or natural particles on the sea floor or other places on the earth's crust. Sedimentation is the aggregate name for procedures that reason these particles to settle set up.  

The particles that structure a sedimentary shake are called residue and might be made out of geographical or natural debris.

The dermis, the skin's next layer, is a thick layer of fibrous and elastic tissue (made mostly of collagen, with a small but important component of elastin) that gives the skin its flexibility and strength. The dermis contains nerve endings, sweat glands and oil (sebaceous) glands, hair follicles, and blood vessels.

Hope This Helps!     Have A Nice Day!!

Structures found in the dermis are collagen, elastic fibers, and extrafibrillar matrix.

The dermis or corium is a layer of skin between the epidermis and subcutaneous tissues, that primarily consists of dense irregular connective tissue and cushions the body from stress and strain.

Structural components of the dermis are collagen, elastic fibers, and extrafibrillar matrix. It also contains mechanoreceptors that provide the sense of touch and thermoreceptors that provide the sense of heat.

Collagen: Collagen is the main structural protein in the extracellular matrix found in the body's various connective tissues.

Elastic fibers: In the dermis of animals with single, primary hair follicles are derived from cells lining the hair follicle or from the ends of the pili muscle, which anchors the muscle to the matrix or to the hair follicle. Each follicle is interconnected with elastic fibers.

Extrafibrillar matrix: The dermal material lying outside the cells, and not consisting of either collagen fibers or elastic fibers, is called the extrafibrillar matrix.

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Final answer:

Jamie should measure the total area of land or water resources that is needed to provide & transport the food.

Explanation:

When estimating the portion of his ecological footprint that arises from the food he eats, Jamie should measure the total area of land or water resources that is needed to provide & transport the food. The ecological footprint takes into account the land and water resources required for food production and transportation. This measurement helps determine how much impact Jamie's food choices have on the environment.

In estimating his ecological footprint from food, Jamie should measure the total land and water resources needed for production and transport (Option C) to comprehensively assess the environmental impact.

Jamie, in estimating the ecological footprint from the food he consumes, should measure the property related to the environmental impact of the food. Therefore, the most appropriate option is:

C. The total area of land or water resources that is needed to provide and transport the food.

This metric, often referred to as the "land and water footprint," assesses the spatial extent of resources required to produce the food, including agricultural land and water resources. It accounts for the environmental impact associated with food production, considering factors such as deforestation, water use, and habitat disruption.

Options A, B, and D focus on different aspects but are not as comprehensive in capturing the holistic environmental impact of food consumption. While the cost of food (Option A) may reflect economic considerations and the carbon footprint (Option B) addresses greenhouse gas emissions, they do not provide a comprehensive view of the broader ecological consequences. Similarly, measuring the total volume of resources (Option D) is important but may not encapsulate the spatial dimension of environmental impact as effectively as the land and water footprint.

beaker tongs i think

Answer:

The correct answer is - test tube clamp or test tube tongs.

Explanation:

Test tube clamps are also known as test tube tong that is used to carry the test tube when it should not be touch or if it contains chemicals that can harm researchers. It also helps to hold the hot test tube during an experiment.

Test tubes are the glassware that use to carry the small quantity of substances or chemicals for testing or experimenting. These tubes can behold by the test tube clamps or tongs.

Thus, the correct answer is - test tube clamp or test tube tongs.

Oppurtunity Cost of your decision

A nebula made of gas and dust red giant star

Most suitable for studying with radio waves would be a large galaxy made up of billions of stars due to its emission of radiation at radio wavelengths and the ability of radio waves to penetrate interstellar dust and gas.

Among the choices provided in the question, the best option studied using radio waves instead of light waves would be a large galaxy made of billions of stars. This is because radio waves provide a unique perspective into the universe with numerous benefits over studying with visible light.

Radio waves can penetrate interstellar dust and gas, providing an uninhibited view of galaxies and nebulae. This allows us to observe phenomena such as the jets of expelled material in the galaxy Cygnus A, visible only through radio observations. Astrophysical bodies containing a lot of gas and dust - much like a large galaxy - emit more radiation at radio wavelengths. This radiation can be observed without the interference of the Earth's atmosphere or the Galaxy's interstellar dust and gas. The Sun, on the other hand, is not especially bright at many radio wavelengths, making it less useful to study with radio telescopes.

Moreover, observations with radio telescopes can often be done during the day as well.  Radio emission maps reveal different properties of the universe than those visible in light, teaching us about the structure and properties of the universe on scales from our solar system to the universe as a whole.

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THAT IS A GREAT QUESTION

First off, quick definition: molecules = a group of atoms/elements (not just a single element like "O" or "H", so all of these are molecules in this problem and we can instantly rule out answer choice D).

In this problem, your given chemical equation. The reactants (starting materials) are on the left side of the arrow (→). The products (finishing materials) are on the right side of the arrow. Sometimes special reactants (like enzymes i.e catalase) are written over top of the arrow instead of on the left side of the arrow.

Anyways, we can read this reaction like this:

- Start out with 2 molecules of [tex]H_{2}O_{2}[/tex]

- Add Catalase

- End up with 2 molecules of [tex]H_{2}O[/tex] (water) and 1 molecule of [tex]O_{2}[/tex] (oxygen)

Therefore, catalase must helped break down the bigger [tex]H_{2}O_{2}[/tex] molecules into the small "building block" molecules of [tex]H_{2}O[/tex] and [tex]O_{2}[/tex].

***SEE PIC FOR VISUAL...if you want. This always helped me. You can see easier that the bigger molecules are being broken down into multiple smaller ones***

The enzyme catalase is breaking down the molecule H2O2 (hydrogen peroxide) in the reaction.

In the presented chemical reaction, the enzyme catalase is breaking down the molecule H2O2, otherwise known as hydrogen peroxide. Enzymes are proteins serving as biological catalysts promoting chemical reactions inside cells. In this case, the catalase enzyme decomposes hydrogen peroxide (a harmful waste product in cells) into water and oxygen. This prevents the buildup of hydrogen peroxide which could be damaging to cells.

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Th right answer is 57%

The Bohr effect is defined by the influence of pH on the dissociation curve of O2 in hemoglobin. This phenomenon is particularly interesting to study in the human body since the pH varies in the different compartments of the body.

at the pH level is relatively more alkaline than that of blood, so the dissociation curve will be deviated to the left and is represented in green in the diagram. Tissue level is the opposite, the pH is relatively more acidic than that of blood and the curve will be deviated to the right and is represented in red in the diagram.

when we extrapolate, in the lungs we have 100% oxygen hemoglobin saturation whereas at the level of the tissues it is only 43% due to the decrease of the pH and the presence of the CO2. will give 57% (100-43).

Talking about soil erosion is to talk about the death of productivity soil.

The causes can be many factors like wind, water, or even humans.

On erosion soil, nothing will grow, and that's the main problem for humanity.

If you can't plant grass or any kind of plant, you can't raise animals or vegetables and you will be out of food production.

The best answer is  B - Proteins.

Proteins make up enzymes, or to put it another way enzymes are made up of protein. It is enzymes that speed up the chemical reactions. Enzymes are organic catalysts, substances that speed up a (biochemical) reaction but do not take part in the reaction and remain unchanged at the end of the reaction.

In man, there are many enzymes. The majority of these are found in the digestive system where they greatly aid the process of food breakdown from complex molecules to simple molecules. Examples include salivary amylase found in saliva,  which begins the gradual breaking down of starch into glucose right from the moment food is placed in the mouth and mixed with saliva. Pepsin in the stomach breaks down protein.

C. Protein is the answer!

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The most likely reason that a bird would develop a long beak in a temperate forest is because it feeds on insects and larvae that live in the trees. This kind of beak, long and thin, is necessary for the bird to be able to get to its foo source. It will either look for a whole in the tree, or it will make a whole with its beak, and than use it to penetrate deeper into the hollow part of the tree and get the insects or larvae. This can easily be seen in the woodpecker, which is a prime example of a bird with that kind of beak and that kind of a feeding habit.

Answer:

The beak could assist the bird with cracking open nuts,or attacking competitors

Explanation:

Answer:

Vestigial organs

Explanation:

Vestigial organs are organs that that were once functional in the evolutionary past but ceased to function or have reduced in function over time.

Due to continued disuse, this organs ceased to function or adopted to less important functions.

A good example of a vestigial organ is the Appendix in the human body, as the argument goes; the appendix is a tail that reduced in size with time due to disuse.

Vestigial structures, such as the human tailbone or appendix, reduce in size over time and have less important functions in some related organisms than in others.

Vestigial structures, such as the human tailbone or appendix, have reduced in size over time because they are no longer needed. These structures were once functional in distant ancestors but have lost their importance in certain organisms. Evolutionary processes have caused the reduction of these vestigial structures, as they do not contribute to an organism's fitness.

Bacteria and Archaea.

Tectonic Plates, Earthquakes, and Volcanoes. According to the theory of plate tectonics, Earth is an active planet. Its surface is composed of many individual plates that move and interact, constantly changing and reshaping Earth's outer layer. Volcanoes and earthquakes both result from the movement of tectonic plates.

The theory of plate tectonics explains the location of most earthquakes and volcanoes as on the boundaries of tectonic plates, most of the earthquakes or volcanoes happen.

Plate tectonics is the plates that are present in the earth's crust. These plates are of different types. These plates are always in movement. These plates are divergent, convergent, etc.

Earthquakes, volcanoes, and tectonic plates. The plate tectonics hypothesis states that Earth is a dynamic planet.

The numerous separate plates that make up its surface move and interact with one another, continually modifying and reshaping the Earth's outer layer. Tectonic plate movement causes both earthquakes and volcanoes.

Thus, the ends of the tectonic plates are the places where earthquakes or volcanoes happen.

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Answer

It consist of studying the processes that link the biotic and abiotic components.

Explanation

An ecosystem is a group of living organisms , such as plants and animals within a given environment. The study in ecosystem revolves around two main processes which are; energy transformation and biochemical cycling.

It was earthy centered in the solar system the church said God put us in the middle of the universe. It took along time for people to realize the stars move in such a way that we couldn't be the center.

Answer:

The correct answer will be option-earth-centered universe.

Explanation:

The ancient philosophers and scientists tried to understand the world so that the surrounding environment could be exploited.

The solar system was one of the systems, the ancient philosophers and astronomers tried to understand. The ancient recorded solar system model was proposed by the Ptolemy which stated that the earth is present in the center of the universe and all the celestial bodies revolve around it. This model is known as the geocentric model of the solar system.

Thus, the option-earth-centered universe is the correct answer.

Answer:

A. Detect, feel, and smell

Explanation:

There are three main types of neurons: the sensory ones; the engines; and the interneurons. Sensory neurons carry information captured from the external environment to the nervous system, through stimulus receptors (whether mechanical or chemical). In this case, we can say that the main role of these neurons is to detect, feel and smell.

Interneurons, the most numerous group of neurons, transmit the signal from sensory neurons to the central nervous system. The motors conduct the response to the stimulus received, from the central nervous system to the stimulated organ or tissue.

The correct option is A. Detect, feel, and smell

Sensory neurons are specialized nerve cells that are responsible for detecting and transmitting sensory information from the environment to the central nervous system (brain and spinal cord).

They allow us to perceive and experience various sensations such as touch, pain, temperature, pressure, taste, and smell.

Sensory neurons are equipped with specialized receptors that detect stimuli from the external environment or internal body conditions and convert them into electrical signals that can be transmitted to the brain for processing and interpretation.

Therefore, option A, "Detect, feel, and smell," best describes the function of sensory neurons.

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The answer is; Light does not have mass or volume

Mass and volume are properties of matter. Light has negligible mass and does not have a definite volume. It is, however, important to note that quantum physics have revealed that light has duality properties- meaning it behaves with like a wave and like matter. photons too are known to have energy. Energy, according to Einstein is calculated by mass of a body, multiplied by the speed of light squared.

Answer:

Light does not have mass or volume

Answer:

C. Lake that’s gradually running out of water.

Explanation:

Environmental pressures are the activities and factors that lead to climate change.

A lake that is gradually running is an example of environmental pressure in that, environmental changes such as the rise of heat due to global warming and other causes lead to reduction in the water levels of the lake.

Answer:on our quiz B was correct

A lake that is gradually running out of water

Explanation:

https://youtu.be/zrKdz93WlVk

Mitosis is a type of cell division in which a cell divides into two daughter cells, each containing equal and identical genetic material as that of the parent cell.

For example, if a cell contains 46 chromosomes (2n), then the two daughter cells would also contain 46 (2n) chromosomes after mitosis.

The mitotic division helps in growth and repair of cells.

In contrast, the meiosis is a cell division in which a parent cell divides to produce four daughter cells, each containing half the chromosomes present in a parent cell.

For example, a cell with 46 (2n) chromosomes divide with the help of meiotic division to produce 4 daughter cells, each containing 23 chromosomes.

The meiotic division usually helps in the production of haploid gametes from diploid parent cells.