What happens to the temperature as you go deeper in an aquatic system

In an aquatic system, the temperatures began to drop as you go down. With the increase of the depth of the water, the temperature decreases in comparison to the temperature on the top. The pressure , however, is greater deep in the aquatic system. Less light reaches the deeper parts, and hence, the temperature there is reduced.

Hence, the answer is 'temperature drops as you go deeper in an aquatic system'.

b) chemical ( the chemical breakdown of food is accomplished by enzymes. )

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instead of copying and pasting things off of tests or work done on computer which im sure you did, try and read over the question carefully