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Answer: B
Explanation: We cannot assume that bedbugs can sense another bedbugs genetic mutations, or plan a mutation. Mutating of genetics is random, and is apart of life for all species.
They gives us oxygen, they store carbon for us, and they provide materials for tools and shelter for us.
Animals contribute water vapor back into the atmosphere by respiring, breathing out water vapors that rise to the atmosphere. They're perspire to prevent overheating; during this process, water is excreted through the pores and evaporates off the skin, cooling the animal by absorbing the external heat.
Not the same and they is not in a relationship