A plant uses the energy from sunlight to create oxygen and glucose from carbon dioxide and water. Which statement is true about the changes that have occurred?

Question

A.
A chemical change has occurred because energy was needed.
B.
A physical change has occurred because the plant looks different.
C.
A chemical change has occurred because new compounds have been produced.
D.
A physical change has occurred because the substances are still gases.

Answer 1

The correct statement is:

C. A chemical change has occurred because new compounds have been produced.

In the process of photosynthesis, plants convert carbon dioxide and water into glucose and oxygen, which involves the formation of new chemical compounds.