Answer:
c. parasite
Explanation:
the barnacle benefits from the host while the host is harmed from the barnacle
B because the temperature goes up then the birds would move to the south were it is cooler.
Explanation:
Any process by which plants and other photoautotrophs convert light energy into chemical energy is photosynthesis.
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Answer:
Hydrogen
Explanation:
2 between A-T and 3 between G-C