Answer: they allow air to enter lungs and also permits air into the body
Explanation:
Answer:
I think the answer is C. between 6.5 and 7.5 because cells usually have a ph between 7.0 and 7.4
Explanation:
Microplastics that make up the majority of garbage patches can't always be seen by the naked eye. Satellite imagery of oceans doesn't show a giant patch of garbage.
Answer:
The marine clamworm, Nereis, is carnivorous therefore its digestive system differs from that of the herbivorous earthworm, Lumbricus. The mouth and jaws are retractable (Figure 8, 9). If the jaws are retracted, cut along the midline of the pharynx and pull the jaws out with a pair of forceps.
Explanation:
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