In this task, you are given a question and answer for that. The answer will fill in the blank or will complete the unfinished question. Your task is to provide an explanation based on the given question or fill-in-the-blank statement, and answer.

Question: Mike dove deeper and deeper into the ocean trench. As he goes lower, the pressure exerted on him by the water
Answer: increases
A fluid exerts pressure in all directions, but the pressure is greater at greater depth.

Question: If a device were to become less efficient, it would produce _____ usable energy.
Answer: less
The more efficient a device is, the greater the percentage of usable energy it produces.

Question: What would happen to the size of the valley created by a tributary stream if the size of the stream were to be increased?
Answer: the valley would be deeper
Smaller tributary glaciers, like tributary streams, flow into the main glacier in their own shallower U-shaped valleys.