Answer:
1
Explanation:
Chemical changes causes a substance to change into an entirely substance with a new chemical formula. Chemical changes are also known as chemical reactions.
False because its not all even, some areas have more than others
<u>changes </u><u>in </u><u>abiotic </u><u>factors</u> is the most appropriate answer for this question.
Hope it helps you...
(by Benjemin)
All plant and animal groups existing together and the physical factors with which they interact compose an ecosystem<span>.</span>
For if it is proved wrong you can retry.
