explain why earth is considered a closed system?

Answers

Answer 1
Earth is a closed system cause it’s mass essentially remains constant. There is a limit on the matter exchanged within the other systems

Related Questions

What term describes chromosomal abnormality

Answers

I'm pretty sure it's polyploidy 

How is matter conserved in the carbon cycle?
A) Carbon absorbs energy and later releases the same amount of energy.

B) Carbon changes from one form to another, but the total amount of carbon remains the same.

C) People manage carbon resources, such as factory emissions, so they do not run out of carbon.

D) Some forms of carbon, such as carbon dioxide stored in carbonate rocks, may remain in the same location for years.

Answers

The answer should be B) Carbon changes from one form to another, but the total amount of carbon remains the same.
B.) Carbon changes from one form to another, but the total amount of carbon remains the same

ASAP!!!! What should be placed in the center of the this diagram?
A) World War II
B) The Korean War
C) The Vietnam War
D) Cuban Missile Crisis

Answers

I think it is The Korean War
What should be placed in the center of this diagram?

Answer: ʙ) ᴛʜᴇ ᴋᴏʀᴇᴀɴ ᴡᴀʀ

ᴱˣᵖˡᵃⁱⁿⁱⁿᵍ: ᵀʰᵉ ᵗʰʳᵉᵉ ⁱˢˢᵘᵉˢ ˢᵉᵉⁿ ᵒⁿ ᵗʰᵉ ᵒᵘᵗˢⁱᵈᵉ ᵒᶠ ᵗʰᵉ ᵈⁱᵃᵍʳᵃᵐ ᵃʳᵉ ᵈᵉˢᶜʳⁱᵇⁱⁿᵍ ᵗʰᵉ ᴷᵒʳᵉᵃⁿ ᵂᵃʳ. ᵀʰᵉ ʷᵃʳ ᵇᵉᵗʷᵉᵉⁿ ᵗʰᵉ ᶜᵒᵐᵐᵘⁿⁱˢᵗ ᵃⁿᵈ ⁿᵒⁿ⁻ᶜᵒᵐᵐᵘⁿⁱˢᵗ ʰᵃˡᵛᵉˢ ᵇᵉᵍᵃⁿ ⁱⁿ ¹⁹⁵³ ʷʰᵉⁿ ᵗʰᵉ ᶜᵒᵐᵐᵘⁿⁱˢᵗ ᴺᵒʳᵗʰ ⁱⁿᵛᵃᵈᵉᵈ ᵗʰᵉ ˢᵒᵘᵗʰ. ᵂʰⁱˡᵉ ᶠⁱᵍʰᵗⁱⁿᵍ ˢᵗᵒᵖᵖᵉᵈ ⁱⁿ ¹⁹⁵³, ᵗʰᵉʳᵉ ʰᵃˢ ⁿᵉᵛᵉʳ ᵇᵉᵉⁿ ᵃⁿ ᵃᶜᵗᵘᵃˡ ᵖᵉᵃᶜᵉ ᵗʳᵉᵃᵗʸ ˢⁱᵍⁿᵉᵈ ᵗᵒ ᵉⁿᵈ ᵗʰᵉ ʷᵃʳ.

Good luck and have a nice BenevolentPuppy day!♥️

A scientist used a laboratory model to test the effect of radiation, or the sun, in heating land and water on Earth. To do this experiment, 200 mL of water and dry sand were placed in to 2 separate 250-mL beakers. Each beaker was then placed under the same lamp. Temperature readings were taken of each substance every 2 minutes for 8 minutes.

Use the data table to answer the following questions.

Substance Heated
Starting Temp (°C)
2 min
4 min
6 min
8 min
Water
18
18.5
19.5
21
22
Dry Sand
18
20
22
24
26

Identify the manipulated variable and the responding variable in this experiment. Explain your reasoning.

Answers

Final answer:

In this experiment, the manipulated variable is the type of substance, while the responding variable is the temperature of the substances over time.

Explanation:

Manipulated variable: The manipulated variable in this experiment is the type of substance (water or dry sand) being heated under the lamp.

Responding variable: The responding variable is the temperature of the substance, as it changes over time in response to the heat source.

The scientist manipulated the type of substance (water or sand) and observed how the temperature of each substance responded to the heat source, identifying the manipulated and responding variables.

using the diagram above, which layer is the densest?

Answers

A, is the correct answer.

The core is the densest because it is packed with SO much pressure that makes the molecules of nickel and iron(Elements of the core) immovable.

The part labelled D which is the inner core is the densest layer, option D.

What are the layres of the Earth?

The diagram is a cross-section of Earth. The Earth's layers, in order from the exterior to the interior, are:

A. Crust - This is the outermost layer of the Earth, relatively thin and solid.

B. Mantle - This is the layer beneath the crust, made up of solid and semi-solid rock.

C. Outer Core - This layer is composed of liquid iron and nickel.

D. Inner Core - The innermost layer, consisting of solid iron and nickel.

The density of Earth's layers increases with depth due to the weight of the layers above and the increasing pressure. The densest layer is the Inner Core (D). It is solid despite the high temperatures because the intense pressure from the overlying layers prevents it from melting.

Find out more on Core here; https://brainly.com/question/31088598

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A volcano on a remote island erupts. Lava flows over the surface of the small island. The lava cools and forms igneous rock. Based on the diagram of the rock cycle above, what will most likely happen to the igneous rock next?

Answers

the igneous rock will be weathered and formed into a sedimentary rock

the igneous rock will be weathered and formed into a sedimentary rock


How do we detect life on exoplanets?

Answers

We use radar to detect signal waves from outer space

We send probes and other space technology to go scout out the area and take pictures for us to view to see if we can find any life

hope this helps

what type of protist causes Giardia

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Most protist diseases in humans are caused by protozoa. Protozoa make humans sick when they become human parasites. Trypanosoma protozoa cause Chagas disease and sleeping sickness. Giardia protozoa cause giardiasis, and Plasmodium protozoa cause malaria.

Living things can be made of one cell or many. In the cell, the nucleus is the control center and directs the activities throughout the cell. The cell is a system just like the human body is a system. Cell:nucleus as human body: __________ (20 points for answering)
A) brain
B) heart
C) liver
D) stomach

Answers

A) Brain

The nucleus acts as the "command center", it tells the cell what to do, and how to do it.
the answer is the brain, or A. the nucleus controls all the cell's actions. :)

What three factors led to the overthrow of the Chaldean empire? Explain.

Answers

One of the factors that lead to the downfall of the Chaldean empire was the Persian invasion. Although Belshazzar tried to fend off the Persian army, it was too massive to hold off. Another factor would be that Belshazzar was also betrayed by Gobryas, which lead the forces against the Persian army even at  greater advantage. Other than the governor, there were also other parties in the state that were also against the Chaldean kingdom. Lastly, there were also the foreign Jew exiles whom Cyrus the Great allowed autonomy and freedom to go back to their homes. From there, it was Cyrus the Great who brought the fall of the Chaldean empire. 


which type of selection leads to increased phenotypic and genetic variation

Answers

disruptive selection

The answer is B. Disruptive selection

Good luck!

-RxL

Which plant adaptation would likely be found in the taiga?

Answers

many trees are evergreen so that plants can photosynthesize right away when

Answer:  Which plant adaptation would likely be found in the taiga?

 C)    small needle-like evergreen leaves    

Explanation:   C) Is the Correct Answer

Small needle-like evergreen leaves. Evergreen forests of pine, spruce, fir, and juniper are found in the taiga. The other adaptations are for B= rainforest, A= swamp, D= desert.

 

 

Next Question

 

 

Which of the following is NOT an example of a graphic indicator which can help you understand the main purpose of a text? A. Subtitles B. Tables C. Bold font D. Page and section numbers

Answers

Which of the following is NOT an example of a graphic indicator which can help you understand the main purpose of a text?


D. Page and section numbers

The option that does not represents an example of a graphic indicator that can help you understand the main purpose of a text is the Page and section numbers. Thus, the correct option for this question is D.

What is a Graphic indicator?

A graphic indicator may be defined as a type of uncomplicated and simple illustrated graphic that takes up a small amount of space and delivers a quick, instinctive representation of a theme, topic, or action.

According to the context of this question, the examples of a graphic indicator can assist you in order to understand the fundamental purpose of a text including subtitles, tables, bold font, etc. while it does not include page and section numbers. This is because page and section numbers are provided for the ease of the readers.

Therefore, the option that does not represents an example of a graphic indicator that can help you understand the main purpose of a text is the Page and section numbers. Thus, the correct option for this question is D.

To learn more about Graphic indicators, refer to the link:

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The oxygen end of the molecule has a slightly negative charge while the hydrogen ends of the molecule have a slightly positive charge. The composition and polar covalent nature of water allow water molecules to be attracted to and form _________.

Answers

The composition and polar covalent nature of water allow water molecules to form hydrogen bonds with other water molecules
Final answer:

Water is a polar molecule with a slightly positive charge on the hydrogen ends and a slightly negative charge on the oxygen end due to differences in electronegativity. This leads to the formation of hydrogen bonds, with polar molecules being hydrophilic and nonpolar ones being hydrophobic.

Explanation:

Water is a polar molecule due to the slight positive charge on the hydrogen ends and the slight negative charge on the oxygen end. This is due to the electrons being more attracted to the oxygen's nucleus because it is more electronegative. The polar nature allows water molecules to attract each other and other polar molecules, which leads to the formation of hydrogen bonds. Nonpolar substances, like oils and fats, do not readily form hydrogen bonds with water and are thus hydrophobic. Polar molecules like water, on the other hand, are hydrophilic. The polarity of a water molecule arises from the greater electronegativity of oxygen relative to hydrogen, resulting in a distribution of charge in the molecule.

Learn more about Water as a polar molecule and hydrogen bonds here:

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Explain the importance of optics development for biology (microscope)

Answers

Optic microscopes are one of the most important tools to diagnose tissue samples,  to discover the existence of  microorganisms and then study them, study the structure of the cells, and to see other smaller parts of plants,  fungi and animals. Through the development of this microscope, and the others, we discover more and more small objects not visible to the naked eye but that they exist.



By using microscopes scientists were able to discover the existence of microorganisms, study the structure of cells, and see the smallest parts of plants, animals, and fungi. Today, the microscope is still a commonly used tool to diagnosis illness in hospitals and clinics all over the world.

Select the forms or examples of solar energy:

heat energy
solar oven
rock sediments
petroleum
coal
light energy

there is more than one answer

Answers

Final answer:

The examples of solar energy are heat energy, solar oven, and light energy. Heat energy from the sun is directly used or converted into electricity by solar panels.

Explanation:

The forms or examples of solar energy from the provided list are heat energy, solar oven, and light energy. Solar energy, which includes both heat and light, can be used directly to produce thermal energy or can be converted into electricity using technologies like photovoltaic (PV) panels or solar thermal power plants. A solar oven is a device that harnesses solar energy to cook food or boil water, utilizing the heat generated by the sun's rays.

An example of heat energy being converted into another form of energy not mentioned in the text is in the case of solar panels, which convert the thermal energy from the sun into electrical energy.

Special vesicles containing enzymes

Answers

Lysosomes are the vesicles that contain a cell's digestive enzymes. Lysosomes are the vesicles that contain a cell's digestive enzymes.

One group of students uses different methods to conserve water in the garden as listed below. Method 1: Water the garden when the sun is out. Method 2: Water the garden when the weather is cool. Method 3: Water the garden when it is not windy. Method 4: Water the garden in the afternoon. Which of these methods would conserve the most water? a. Method 1 and Method 4 b. Method 2 and Method 3 c. Method 3 and Method 4 d. Method 4 and Method 2

Answers

B.method 2 and method 3 becouse during the season there a more water still present when add water during this time it will conserve more water..
The correct answer should be
d. Method 4 and Method 2

That is because the cold weather would preserve water since it wouldn't evaporate or anything. Even if it froze it would still stay there and melt into normal water. In the afternoon there would be a drop in temperature which means that there wouldn't be the sun to make it evaporate.

Which number represents the location of the Himalayan Mountain Range?
A) 2
B) 3
C) 4
D) 5

Answers

the answer would be number 5

I would have to agree the answer would be D 5

What is the name of the pores, or holes, on the outer layer of the sponge that take water in?

Answers

The pores on the outer layer of the sponge which takes is water are called POROCYTES.
Sponges are groups of very simple animals which usually grow at a spot, that is, they lack the ability to move from one place to another. There are about 10,000 species of sponges; most sponges live in salt water while some live in fresh water. The body surface of sponges are made up of holes through which water enter into their cells.
Answer:                       OSTIAI hope I helped!                      

complete the model of the lactic acid process

Answers

i think its ADP to ATP then NAD+ to NADH

PLEASE help asap!!!! Please

Which description of tectonic plates are true?


A) number in the hundreds

B) move very slowly

C) move over the layer of Earth's mantle

D) can crush together to create mountains

Answers

I believe the answer would be D because when they collide they move the Earth
It would either be B: because they do move really slowly or D: because they can create mountains when they crush together. But creating mountains, in my opinion, is not a description. It's something that can occur, but it's not describing tectonic plates. So I would go with B.

Why are scientists concerned that currently unknown medicinal plants may never be discovered?

Answers

The reasoning behind this is because these unidentified plants could be used to cure diseases, used for food, and many scientists may even use these plants to create cosmetics. I really hope this helps and I just thought this off the top of my head so its may not be 100% accurate but its the basics of it.

Answer:

Because they could bring many benefits to medicine and provide relief to many sick people.

Explanation:

Medicinal plants have been used for a long time by our ancestors and are known to have an important role in the cure and treatment of some diseases. In some communities, these plants symbolize the only way of treating certain pathologies. It is estimated that approximately 80% of the planet's population has already used some vegetable to relieve symptoms of some disease.

However, there are medicinal plants that are unknown to science, which concerns not only scientists, but also health professionals in general. This is because these plants would provide the advance of medical sciences in a cheap and fast way, besides being able to help many sick people. However, none of this will happen if these plants remain unknown.

Which is NOT a living part of an ecosystem?
A. fungus
B. sun
C. tree
D. fly

Answers

B, Sun. While it may be the source of life, the Sun is technically a living thing.
The answer is B sun .

These unspecialized plant cells synthesize and store organic products. These cells are also the site of the plant's metabolic processes. Which of these BEST fits this specific type of ground plant tissue cell? A) vascular cells B) parenchyma cells C) collenchyma cells D) sclerenchyma cells

Answers

B) parenchyma cells      hope this was helpful!!!

Draw the structure of the peptide dtlh, showing the backbone and side-chain atoms, at its isoelectric point

Answers

The structure of a peptide dtlh is everything.

Three science questions. Thank you :)

Answers

I'm not sure about the first two but I think the one about the halite crystal is cubic. :) 

During a storm, several butterfly eating during a birds were blown to a distant Island. The Island, which previously had no birds, was filled with butterflies of all colors. One year later, all the butterflies or dark green and brown. Which is the following is most likely explanation for the change in the butterfly population

Answers

The answer is D. A genetic mutation led to punctuated equilibrium

The most likely reason for the change in the butterfly population to darker colors is natural selection due to bird predation. Dark-colored butterflies had a survival advantage and became more common over time.

The most likely explanation for the change in the butterfly population is natural selection. When birds introduced to the island began preying on butterflies, those with darker colors, such as dark green and brown, had a survival advantage because they were better camouflaged against predators. Over time, this led to an increase in the population of darker-colored butterflies, similar to how the peppered moths in England changed color due to soot from the Industrial Revolution.

Steps of Natural Selection:

Variation: Initially, the butterfly population had a range of colors.Selective Pressure: The introduction of bird predators created a new threat.Survival Advantage: Darker butterflies were less visible to predators and more likely to survive and reproduce.Shift in Population: Over generations, darker butterflies became more common as they were selectively favored.

This scenario illustrates how environmental pressures can lead to changes in the traits of a population over time through the process of natural selection.

How many amino acids would be encoded in the sequence 5′ AUGUUACGGAAU 3′ by a non-overlapping and maximally overlapping code?

Answers

In non-overlapping code there would be four amino acids, because there are just four triplets in the code, of which none is the stop codone. For maximally overlapping code there would be ten amino acids encoded, the four starting from the first letter: AUG, UUA, CGG, AAU, then three starting from the second letter: UGU, UAC, GGA, and the three starting from the third letter: GUU, ACG, GAA.

single-celled organisms are able to maintain internal stability because they :
a - contain structures that perform life functions
b - work with other cells
c - carry out photosynthesis to produce food
d - have multiple organisms

Answers

That would be C
I hope this helped you.
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