In general, the surface of Mercury is similar to the Moon (i.e. heavily cratered due to a lack of a heavy atmosphere to erode away primordial impacts). However, there are some key differences: 1) There are few maria on Mercury and they are small.
The correct answer to the question is : B) It has a very long life.
EXPLANATION:
The main hazardous problem of nuclear waste is that it has a very long life. The waste radioactive materials are still dangerously radioactive for so many years as they are not in any use in any commercial sectors.
Hence, the correct answer to the question is that nuclear waste has a very long life which makes it difficult to dispose responsibly.
Answer:
Answer is A, it will pass through to focal point after reflecting.
Explanation:
I had the same question in a test, Sorry that you had to do this question in middle school.
Answer: it causes some parts of the earth to get more radiation than others.
Explanation: earth rotates around the sun on a tilted axis so the Rays of the sun cause earth to have more radiation than it needs.