Answer:
First answer is correct:16. bacteria
17. decomposers
18. nitrogen
19. nitrogen fixation
20. normal flora
21. symbiotically
22. vitamin k
23. yogurt
24. antibiotics
25. disease
Explanation:
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16. bacteria
Answer: D 22%
1. give up 1
2. give up 2
3. give up 3
4. gain 3
5. gain 2
6. gain 1
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Answer: Platelets release a vasoconstricting substance called <u>SEROTONIN.</u>
The most applicable answer would be D. Energy