Carbon Cycle 2019

Front

Is all of the carbon in existence continually recycled in the carbon cycle?

Back

True

Front

Which of the following removes carbon from the atmosphere? Options: Combustion, Respiration, Photosynthesis, Death

Back

Photosynthesis

Front

Organisms that do not decompose can be buried and become what?

Back

fossil fuels

Front

Carbon dioxide is a gas produced by ________ and used by ________.

Back

animals and plants

Front

Which describes the relationship between plants and animals in the carbon cycle?

Back

Plants produce and release oxygen that animals need

Front

Plants use ____________ to make their own food.

Back

All of these

Front

Which gas do plants release, that humans depend on for survival?

Back

Oxygen

Front

When humans burn fossil fuels, most of the carbon quickly enters the                       as carbon dioxide. Options: Water, Atmosphere, Sun, Air

Back

Atmosphere

Front

Which one of these does not add CO2 to the atmosphere? Options: cooking with gas, planting trees, burning wood, riding in a bus

Back

planting trees

Front

What does not produce carbon dioxide? Options: Photosynthesis, Burning Fossil Fuels, Animal respiration, Plants decaying

Back

Photosynthesis