Answer:
Negative
Explanation:
As the salt levels get higher, the saltier the inside of the fish get, and the lower the salt levels get. Since the increase in the original thing leads to a decrease in it later, this is a negative feedback loop. Hope this helps!
Covalent bond is indicated by the arrow.
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19 = Wave Length
20 = Compression
21 = Rare Fraction
22 = Displacement
23 = Crest
24 = Wave Length
25 = Trough
I'd go with A. can interact to influence a trait, such as eye color
