Answer:
Oral cavity
Explanation:
its first organ from which food enter
Passive transport DOES NOT need energy(ATP), while active transport does.
Although, I'm not sure about the entirety of this question, when reviewing claims and evidence, check your sources to make sure they are reliable.
Answer:
Most humans cannot see ultraviolet light because it has a smaller wavelength than violet light, putting it outside of the visible spectrum.

Answer:
3. Sediment makes the water cloudy.
Explanation:
Sedimentation has been identified as a primary stressor for the existence and recovery of coral species and their habitats. Sediment deposited onto reefs can smother corals and interfere with their ability to feed, grow, and reproduce.
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