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.
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Question: Question: When we get to the bottom of a mountain the air is
Answer: more dense

Answer: At higher elevations, there is less air to press on a given area.

Question: Question: If a substance is tested and has a high pH of 12 we could say that the substance is
Answer: basic

Answer: For bases we can state the folllowing: The higher the pH of a substance, the more basic it is.

Question: Question: We are designing a submarine to study fish that live far below the surface of the ocean. Before we can send a human researcher down in the submarine, we have to be sure it can tolerate the pressure of the water without cracking. The easier test will be to send our submarine down to
Answer: 500 feet or

Answer:
A fluid exerts pressure in all directions, but the pressure is greater at greater depth.