Q: What causes maple leaves to change their colors?


Read this paragraph and choose the correct option from the provided answers:

These vividly colored maple leaves were all bright green during the summer. Every fall, leaves of maple trees change to brilliant red, orange, and yellow colors. A change of color is a sign that a chemical change has taken place. Maple leaves change color because of chemical reactions.

 Choices:

- artificial preservatives

- factor reactions

- radiation reactions

- chemical reactions


A:
chemical reactions