Mason took 9.4 minutes to complete the first challenge in the Champs challenge. He completed the Second Challenge 2.65 minutes faster than the first challenge. How long did it take Mason to complete the Second Challenge?

Answer:

(b) Global climate is complex, so changes in global climate are hard to predict.

Explanation:

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The theory about the effect of global warming is Global climate is complex, so changes in global climate are hard to predict. The correct option is b.

Global warming is a natural cause that is happening due to the trapping of greenhouse gases in the atmosphere. This happens when the rays from the sun come to earth, but the radiations are trapped in the atmosphere and increase the warmth of the earth.

The layers of pollution and the gases are increasing, and they are trapping the warmth and increasing the temperature of earth. The increased temperature is causing many destructed disasters to nature and people.

Thus, the correct option is b. Global climate is complex, so changes in global climate are hard to predict.

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Mitosis is the process by which a cell (more strictly the nucleus of a cell) divides into two.

RIbosomes

The rough endoplasmic reticulum is where most protein synthesis occurs in the cell. The function of the smooth endoplasmic reticulum is to synthesize lipids in the cell. The smooth ER also helps in the detoxification of harmful substances in the cell. Ribosomes- Organelles that help in the synthesis of proteins.

The plant will die because it will run out of air bace it did not say air was pumped in it only water so there is only a sertain amount of air and it could get to much water as well.

A potted plant placed inside a clear, sealed vacuum container with regular water addition and sunlight exposure will likely undergo photosynthesis and grow, assuming all necessary conditions for plant life are maintained.

The question focuses on the growth of a potted plant inside a clear, sealed vacuum container in which water is regularly added, and the plant is exposed to sunlight. Over time, the plant will likely carry out photosynthesis due to the presence of sunlight and water. These conditions typically enable the plant to produce its own food and energy, leading to growth.

Water movement is crucial for plant survival and growth. In most situations, water will move from the soil to the plant due to osmotic pressure, which is determined by the water potential difference between the plant and its environment. Under drought conditions, a plant's stomata may close to conserve water, but in this scenario, with regular water provision, the plant can maintain open stomata for gas exchange, necessary for photosynthesis.

Final answer:

Neural communication is facilitated by neurons, with the central nervous system, consisting of the brain and spinal cord, acting as the main control center. The right answer to the question is 'd. both a and b.'

Explanation:

The structure in your body responsible for neural communication is the neuron. The central nervous system (CNS), which consists of the brain and the spinal cord, is the main control center for neural communication. Neurons are specialized cells that transmit electrical signals throughout the nervous system. The axon of a neuron is the part that transmits electrical signals to target cells. These signals often need to cross synaptic gaps to reach other neurons, which is where neurotransmitters come into play, enabling communication between neurons.

In the context of choices provided in the question, both the brain (a) and neurons (b) are integral to neural communication. Therefore, the correct answer would be 'd. both a and b.'

it has been deduced that larval mussels was released to the Great Lakes during the ballast exchange of a cargo ship from the Black Sea.  so it is an example of un-intentional release.

Final answer:

The introduction of zebra mussels in the Great Lakes is an example of an invasive species release via ballast water from ships, which has both economically impacted human infrastructure and dramatically changed the local ecosystem.

Explanation:

The introduction of zebra mussels in the Great Lakes is an example of an invasive species release. This occurred when ships released ballast water into the lakes from their tanks, which were filled in European ports. The water used for ballast, which helps stabilize the ships during transport, contained living organisms including zebra mussels. Once introduced to the Great Lakes, zebra mussels have cost millions in cleanup expenses to maintain water intakes and other structures and have significantly altered the ecology of the ecosystem. They are filter feeders that have improved water clarity, but they also threaten native mollusk populations and have benefited certain fish species like the smallmouth bass.

Flexors is your answer.

Hope this helps!

-Payshence

The parents are likely heterozygotes (Rr x Rr) because the offspring have a roughly 1:1 ratio of dominant (red) to recessive (white) characteristics. This is evident after performing a Punnett square analysis.

The subject question falls under the category of Mendelian genetics. In the cross you mentioned, almost half the offspring produced are of the dominant phenotype (Red flowers), and half are of the recessive phenotype (White flowers). This suggests a cross between parents that are both heterozygotes (Rr), which produces an approximately 1:1 phenotypic ratio in the offspring.

Using a Punnett square, we set up the cross Rr (Red flower parent) x Rr (Red flower parent). This cross yields the following genotypes in the offspring: 1 RR (Homozygous Dominant red), 2 Rr (Heterozygous red), and 1 rr (Homozygous recessive white). As the recessive phenotype can only be expressed in the rr genotype, this is why we see an approximate 1:1 ratio of red to white flowering plants in the offspring.

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Carbon Dioxide

The process of photosynthesis is the exact opposite of the process of respiration. Therefore, pants "breathe in" carbon dioxide and "breathe out" oxygen.

During photosynthesis, green plants remove carbon dioxide from the atmosphere and convert it into glucose and oxygen. This process helps maintain the balance of gases in the Earth's atmosphere and is crucial for the survival of many organisms.

The gas that is removed from the atmosphere during the process of photosynthesis is carbon dioxide. In this process, green plants convert carbon dioxide and water into glucose and oxygen, using the energy from sunlight. The oxygen is released back into the atmosphere while the glucose is utilized by the plant for energy and growth.

This photosynthesis process plays a crucial role in maintaining the balance of oxygen and carbon dioxide in the Earth's atmosphere. The carbon dioxide that is produced by the metabolic processes in animals and in some plant processes is used by the plants during photosynthesis, effectively recycling it. This also results in the release of oxygen into the atmosphere, which is vital for the survival of many organisms, including humans.

While photosynthesis primarily results in the removal of carbon dioxide from the atmosphere, it also indirectly affects the levels of other gases. For instance, by producing oxygen, it influences the levels of gases that can react with oxygen, such as nitrous oxide and methane.

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Out of these answer choices food only travels trough the D) Stomach; small intestines

Answer:

D

Explanation:

it hepls you to be less stressed so you can do later allthe tasks left for you to be done

Self-care is crucial for effective time management as it helps maintain peak productivity, avoids procrastination, and sustains personal wellness. It is a strategy that allows for a healthy work-life balance, making you more efficient in managing your responsibilities.

Taking care of yourself is an essential time management technique because it helps to ensure that you are functioning at your best when you are working on tasks. Feeling stressed can significantly impact your mental and physical health, leading to burnout and decreased productivity. By integrating self-care into your schedule, you make it possible to work more efficiently, avoid procrastination, and manage your personal wellness.

Effective time management strategies involve establishing a routine for regular self-check-ins to identify and prioritize tasks. This planning helps to prevent the pressure that comes from having to react to unexpected situations. By doing so, you can optimize your productivity while also carving out necessary time for relaxation and health maintenance.

The act of taking care of yourself should not be seen as a luxury, but rather as a critical component in the overall strategy of managing time and responsibilities. By allowing for personal time to deal with life's urgent and important matters, you can maintain a healthy balance between work, study, and personal life.

Conclusion. This is after everything you want to be adjusted has been done so, and everything is as accurate as can be. Hope it helps! :)

The final summary of data and results, which typically summarizes the study's findings and signifies their meaning in the context of the study's objectives, is called the Conclusion.

The final summary of the data and results in a research or scientific study is often referred to as the Conclusion.

In this portion, you typically recap the data and findings of the study in a precise and compact manner, drawing inferences from the data to indicate what they mean in the context of the study's objectives.

It's essential as it presents your final thoughts on the topic, based on the study's results.

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B Practical applications of scientific knowledge.

B Practical Applications of Science

Answer:

The answer is evolution.

H2O, also known as water.

Oxygen, as the last electron acceptor in cellular respiration, reacts with Hydrogen ions and electrons to form Water. This is important in creating ATP, the cells' main energy source.

In Cellular Respiration, Oxygen is the final electron acceptor. It combines with Hydrogen Ions and electrons that have travelled down the Electron Transport Chain, to form Water (H2O). This process occurs in the Mitochondria - specifically in the inner membrane. This reaction also aids in the production of ATP (Adenosine triphosphate), the energy currency of the cell.

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Answer:

Its D unbalanced

Explanation:

because it cant be only magnetic you have to involve gravity motion all that and the paper clip is being pulled so it cant be even so its unbalanced

Answer: Unbalenced

Explanation:

Study island

I think the answer is C sorry if i got i wrong.

Yeah I think the answer is C

Hope this helps! :)

Clouds are formed when;

D. Water vapor in the air condenses to form liquid water or ice

Clouds form when warm and moist air rise and expands in the atmosphere. Water vapor condenses  into small pieces of dust, which later conjoins to form a cloud.

This is because biomass is renewable. A new crop can be grown after each harvest, and biomass has  low carbon fuel.

Answer:

Explanation:

A biomass is a source of thermal energy. It is obtain from burning of the plant and animal material. The materials include the wood, waste obtain from the agriculture land like straw, animal dung and even from the human waste like sewage waste.

Biomass is an alternate source of energy. As the biomass is a renewable source of energy and the oil can be a fossil fuel like crude oil including petroleum, which is a non-renewable source of energy. The biomass energy can be replenished as the plants and animal material can be replenish by the natural cycles. Their quantity will never deplete in nature and they will remain available for the present as well as for the future generation. Whereas, the quantity of oil may deplete in nature as being a non-renewable resource the oil can only be used once and the used amount will not be recovered in any accessible way.

When the bread and butter is in mouth, mechanical digestion starts. The size of the food gets reduced and it mixes with saliva for easy swallowing. The salivary amylase in saliva begins the digestion of starch in the bread. This is the start of chemical digestion. When the undigested bread and butter reached the stomach, lower esophageal sphincter relaxes and allow the chewed food to enter. The gastric secretions containing HCl, acts on the undigested food to produce chime. HCl kill the microorganism on the food and also denatures the protein and later attacked by digestive enzyme pepsin. Pepsin breakdown protein in the bread, butter . Later on gastric lipase begins to digest fat present in butter. Digestion of the starch in bread does not occur in the stomach because the salivary amylase that began chemical digestion in mouth became inactive in the presence of HCl. Further the chime enters the small intestine where bile secreted by the gall bladder emulsifies the fat and break into small globule which helps in fat absorption.

i think that is is gravity becasue gravity pulls the planets

I would say that gravity from other planets and the sun prevents supply planets from moving in a straight line into space.

In the Tundra region, the diversity of the organisms present is high. Multiple different species of different organisms are present in these regions, which makes them a diverse area on the Earth. The mechanism responsible for these different populations is the species diversity.

It can be defined as the total number of species that are present in a given community.

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Cells require energy to power their biochemical processes. The power currency of cells is ATP. ATP is made through cellular respiration (glycolysis and Krebs Cycle). Glucose is the main substrate used by cells from which energy is derived. Its bonds are broken down by enzymes and the energy used fo make ATPs.

Warm, humid summers; extreme temperatures; hawks; pines; deer are the characteristics of the coniferous forest biome.

Coniferous Forests are said to be found in areas and regions which have short summers and long winters as these places mostly have extreme temperatures. This makes them available mostly in the northern hemisphere.

Coniferous trees have characteristics that help them survive in the extreme winters like they are cone-shaped and have thick barks. They also have flexible stems which prevent them from breaking under heavy rainfall and snowfall. The animals found in these forests are mostly warm-blooded animals that have the capability to migrate and hibernate.

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Complete question as follows:

Select all that apply. Select the features, plants, and animals that are characteristic of the coniferous forest biome.

A. Warm, humid summers

B. Largest land biome

C. Extreme temperatures

D. Little rainfall

E. Hawks

F. Cacti

G. Pines

H. Maple

I. Deer

This is due to the inefficiencies of passing energy from one energy level to the next. Studies have shown that only 10% of energy is passed from a lower trophic level to the next higher level as biomass. The rest is lost in inefficiencies such as heat.  This is why the graphical model of energy flow in a community is shaped like a pyramid with the lowest energy levels at the bottom and highest energy levels at the top.

he given isotope is bismuth 208. The atomic number of bismuth is 83 therefore the number of protons is 83. When bismuth loses one proton it results in the element lead with only 82 protons. The mass number is the total number of protons and the total number of neutrons. So on losing proton  bismuth becomes lead and on gaining neutron the mass number does not change and remains as 208. Therefore it reduces to lead but the mass number remains the same.

Therefore the answer is B. Bismuth on losing one proton and on gaining a neutron it becomes Lead 208.

Hi there!

The major structure for a neuron is,

D). Axon, cell body, and dendrites.

Hope this helped!~

The major structures of a neuron are the cell body, dendrites, and axon. The cell body contains the nucleus, dendrites extend from the cell body to receive signals, and the axon transmits signals away from the cell body. The correct answer is D. Axon, cell body, dendrites.

The major structures of a neuron include the cell body, dendrites, and axon. The cell body, sometimes referred to as the soma, contains the nucleus and other essential organelles for the neuron's function. Dendrites are extensions that branch off from the cell body receiving signals from other neurons, while the axon is a longer extension that carries nerve impulses away from the cell body to other neurons or muscles. At the end of the axon, axon terminals, or synaptic boutons, allow communication with other cells. The correct answer to the student's question, identifying the major structures for a neuron, would therefore be D. Axon, cell body, and dendrites.

Cellular respiration consists of glycolysis, the Krebs Cycle, and the electron transport chain. These stages work together to convert glucose and other organic molecules into ATP, which cells use as a source of energy for various biochemical processes.

1.Glycolysis: Glycolysis is the first stage of cellular respiration, and it takes place in the cytoplasm of the cell. During glycolysis, a single molecule of glucose is broken down into two molecules of pyruvate.

This process doesn't require oxygen and is therefore considered anaerobic. It yields a small amount of ATP and some molecules of NADH (nicotinamide adenine dinucleotide), which carry high-energy electrons.

2. Krebs Cycle (Citric Acid Cycle): The Krebs Cycle, also known as the citric acid cycle or TCA cycle, occurs in the mitochondria. In this cycle, the two molecules of pyruvate generated in glycolysis are further broken down. This stage is aerobic, meaning it requires oxygen.

For each pyruvate, it produces three molecules of NADH, one molecule of FADH2 (flavin adenine dinucleotide), one molecule of ATP, and carbon dioxide as waste.

3. Electron Transport Chain (ETC): The final stage of cellular respiration is the electron transport chain, which also takes place in the mitochondria. The high-energy electrons carried by NADH and FADH2 from glycolysis and the Krebs Cycle are passed through a series of protein complexes, creating a flow of protons (H+) across the inner mitochondrial membrane. This proton gradient generates a strong electrochemical gradient, and the flow of protons back through the ATP synthase enzyme results in the production of a significant amount of ATP.

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