This photo has facts about that info on it
Answer:
There are two primary scales used to measure earthquakes: the Richter scale and the Mercalli scale.
Explanation:
The Richter scale is most common in the United States, while worldwide, scientists rely on the Mercalli scale.
I am not completely sure what this is asking but I believe it would be. That the evidence would be that the fish would be getting less oxygen hence causing noticeable breathing problems (probably best spotted by looking at the lungs).
Division of ethnic groups to different parts of the continent
Answer:
man made things
Explanation:
they do not have control over nature like weather or tides