Question

Green plants produce sugar in their leaves through the process of photosynthesis. To make this sugar, plants must acquire some materials from their environment.



Arrow 1 represents _______, a gas that is taken in by the plant from the atmosphere.
A.
oxygen
B.
carbon dioxide
C.
hydrogen
D.
helium

Answer 1

B. carbon dioxide

Plants take in carbon dioxide from the atmosphere (through stomata) to use with light energy and water to produce sugars during photosynthesis.