Carbon is an element that is present in every known life form on Earth.
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Plants release__________, which is taken in by animals in the ecosystem.CorrectIncorrect
Carbon dioxide in the atmosphere is taken in by __________.CorrectIncorrect
______ break down the dead organisms in an ecocsystem and return ________ to the soil.CorrectIncorrect
When humans burn fossil fuels, they ______ carbon dioxide _____ the atmosphere.CorrectIncorrect
Where is most of the Earth’s carbon located?CorrectIncorrect
How does carbon the ecosystem through the biological carbon cycle?CorrectIncorrect
Plants are called as _____ because they fix carbon dioxide.CorrectIncorrect
Which is NOT a way carbon dioxide is returned to the atmosphere?CorrectIncorrect
What is a primary producers?CorrectIncorrect
When carbon is capture and stored for many years, the process is calledCorrectIncorrect