In firing a handgun, it is best to have protection in the eyes and ears. It could be seen to those people who are practicing shooting and to those who are authorize to use a hand gun. The reason why these are needed to be protected because firing a hand gun is loud enough that it could damage the ears when not protected and in the same time if eyes is not protected and the hand gun could have any complication or dysfunction, it could affect the eyes.
Explanation:
The large fish will most likely eat most of the white fish, and there will only be gray fish left. Since the large fish can't see the gray fish well, they catch some but quickly starve because of the lack of white fish. In the end, only gray fish are left.
Low power is usually used for scanning a slide. This lets the person see more of the slide at once.