I believe the correct answer is C. Nektons include bony fish and squid.
A sudden inrush of water could over whelm animals and possibly kill them if the water is of a different type.
It's called Data
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Common characteristics of modern bears include large bodies with stocky legs, long snouts, small rounded ears, shaggy hair, plantigrade paws with five nonretractile claws, and short tails.
Answer:
When entering, oxygen is high and carbon dioxide is being produced, when exiting carbon dioxide is being exhaled into the air
Explanation:
