Question

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

Answer 1

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

Step-by-step explanation:

In this reaction, the carbon dioxide and water react and change to glucose and oxygen. The change in the identity of the substances tells you that a chemical change has occurred.

Answer 2

The process is photosynthesis in which is a chemical change. A chemical change is a change were one or more substances or reactants are changed into one new substance. So assuming this information the answer is B.