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: When humans grow trees what happens to the population of the animals in the forest 
 Answer: Increase
[EX A]: The forest habitat of elephants has also decreased in size due to humans moving in, so the numbers of the elephants have decreased.

[EX Q]: Question: If Milo is measuring isotopes and he notices that they seem to decay slower then average, what does that mean about the age of the specimen he is examining? 
 Answer: older
[EX A]: Because these isotopes decay more slowly, they can be used to date much older specimens.

[EX Q]: Question: If a particle were to cool down, it would have _____ energy. 
 Answer: less
[EX A]:
The higher the temperature, the more energy the particles have and the faster they will move and diffuse.