Afriend of yours appears to have put on a lot of muscle very quickly. at the same time, you notice that your friend seems to have a lot of mood swings and appears depressed. it is reasonable for you to suspect that your friend has begun to take group of answer choices

Anabolic steroids.

Explanation:

Anabolic steroids, frequently used to gain muscle mass by people who practice bodybuilding, can cause a lot of damage to the human body, such as cardiovascular, hepatic, hormonal diseases. It also can cause psychiatric symptoms such as depression, anxiety and aggressive behavior.

the darker peppered moth species were favored due to the fact that the industrial revolution had made all the nearby trees a darker color instead of white.