Answer:
B. Oxygen molecules recombine to allow cells to get larger
Answer:
hi the answer is a)rain mixes with soil
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Explanation:
1.b
2. a
3.c
4. d
5. e
6. j
7. h
8. i
9. f
10 g
The accumulation of several mutations in the main gene on the virus's surface may be able to give H7N9 the ability to spread like human flu viruses do, passing from person to person through coughing and sneezing.
