Answer: An atom is the smallest unit of ordinary matter that forms a chemical element, they are like building blocks because they form together to make up everything on this earth.
Explanation:
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<span>Plants take in oxygen all the time for respiration.
Photosynthesis which begins by combining water and CO2, continues in the
"dark phase" in making the glucose molecule. Light is not used for this
part of the reaction so it is called dark , because light is needed for
the first part.
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Answer: A
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Answer:
C. high construction costs
Explanation:
C. the basic unit on inheritance