science

What happens to carbon in plants when the plants die?

The carbon is released into the soil, but it is not used again.

The carbon will be released into the soil for use by the next generation.***

The carbon is not released; it is lost.

The carbon is released into the air.

Which are all the correct products of respiration?

carbon dioxide, water, and energy***

carbon dioxide, water, and glucose

water and energy

carbon dioxide and water

Besides carbon, which other element is moved through the atmosphere, biosphere, and geosphere via the carbon cycle?

helium

nitrogen

oxygen***

hydrogen

What is the definition of biosphere?

the area of the earth covered by water

the area of the earth that is liquid

the area of the earth where all living things exist***

the area of the earth that is solid

What is the main source of human-generated carbon dioxide in the atmosphere?

using hydroelectric power

burning fossil fuels***

using solar power

photosynthesis

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  1. All correct, 100% :)

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  2. 5/5 100% just took the quiz thingy

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