Answer:
A. test the composite drug in a trial run
Explanation:
The answer would be “A cancer cell” i believe.
20 Amino acids is the answer
Answer:
The blank box (represents air)
Explanation:
The animal is biotic (living), the tree is also biotic (living), and the piece of wood also biotic (living.) The only abiotic factor in the photo, although we cant physically see it, is air.