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.

[EX Q]: Question: Twenty wolves recently left their pack for new territory. The smaller number of wolves in the pack means that the availability of food will be 
 Answer: greater
[EX A]: As the population increases, the food supply, or the supply of another necessary resource, may decrease.

[EX Q]: Question: When Dean went to the top of the mountain and reached the peak, he noticed that the top of the mountain, compared to the bottom, had snow in amounts that were 
 Answer: larger
[EX A]: Glaciers often form in the mountains because higher altitudes are colder and more likely to have snow that falls and collects.

[EX Q]: Question: Fewer particles are deposited when a river's speed 
 Answer: increases
[EX A]:
The size of the eroded particles depends on the velocity of the water. Eventually, the water deposits the materials. As water slows, larger particles are deposited. As the water slows even more, smaller particles are deposited.