instruction:
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:
Question: Sandra sees a huge glacier, and notes that it has smaller tributary glaciers flowing into it, in valleys that are 
 Answer: shallow
answer:
Smaller tributary glaciers, like tributary streams, flow into the main glacier in their own shallower U-shaped valleys.


question:
Question: Dane is checking the pH of his project and sees that it is quite high, which means that the acid in his project is 
 Answer: lower
answer:
Lower pH numbers are more acidic and higher numbers are less acidic (also called more alkaline).


question:
Question: Mike dove deeper and deeper into the ocean trench. As he goes lower, the pressure exerted on him by the water 
 Answer: increases
answer:

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