Choose all that correctly complete the statement. Chemical reactions can ...

A. create products more complex than the reactants.

B. break down reactants into simpler products.

C. give off energy as heat ...

D. change one element into another element.

Choose all that correctly complete the statement. Chemical reactions can ...

A. create products more complex than the reactants.

B. break down reactants into simpler products.

C. give off energy as heat ...

The correct answers are A, B, and C

- For example, hydrogen and oxygen are two elements that form to create water. Water is more complex than a simple atom of hydrogen or one of oxygen.

- Decomposition is an example of B

- Burning is an example of C.

D is not right because a chemical change can only join atoms or rearrange them, not completely change them.