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: 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
As the population increases, the food supply, or the supply of another necessary resource, may decrease.

Question: If Mona is measuring the size of a glacier at the North Pole and she notices that it has been getting smaller over the years, what can she conclude about the Earth's temperature? 
 Answer: increasing
The glaciers on Earth are getting smaller and smaller as Earths temperature rises.

Question: Sue sees a star with a high frequency. Erin sees a star with a low frequency. The cooler star belongs to 
 Answer: Erin

Shorter wavelengths (higher frequencies) correspond to higher energies and thus hotter star temperatures.