It is better for the whales to go where the whales have the ability to dive longer and deeper to find cooler water.
Answer:
The relationship between snails and elodea is symbiotic in that the snail eats algae and produces carbon dioxide. The elodea takes in the carbon dioxide and, through photosynthesis, creates oxygen, which the snail and every living thing in the tank uses to breathe.
Explanation:
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The least dense layer of the atmosphere is the exosphere as it is the outer most layer of the atmosphere. Hope it helps!
