Answer:
All of the choices are ecosystem services.
Explanation:
Trees' roots hold soil down so it doesn't move everywhere and they recycle carbon into oxygen. In addition, they provide us wood and beautiful wildlife!
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Answer:
organisms have similar bone structure.
Explanation:
please make me brain list answer
The energy before and after a process must be the same.
Answer:
a spider has 4 pairs of legs, since they have 8 legs
