true
Explanation:
messages from the nervous system cause these muscular contractions
Sunlight doesn't reach quite as well in deeper parts of the ocean. Therefore, the autotrophs cannot use photosynthesis to make food.
Returning by-catch to the sea is not always useful as the sudden change in pressure will result in damage to internal organs of fishes.
<h3>What is by-catch?</h3>
By-catch refers to other sea animals which are caught along with the intended catch in a fishing expedition.
In some instances some people tend to return by-catch to the sea.
However, this is not always useful as the pressure above sea level or on the sea surface is less than that in the depths of the sea.
A sudden change in pressure will result in damage to internal organs of fishes.
Therefore, returning by-catch to the sea not always useful as it might appear.
Learn more about by-catch at: brainly.com/question/14958398
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Answer:
the quality or state of being conscious or aware of something.
or
a mental state achieved by focusing one's awareness on the present moment, while calmly acknowledging and accepting one's feelings, thoughts, and bodily sensations, used as a therapeutic technique
