Answer:
In America that is the equivalant of a C or C+
Explanation:
2 you can rule all the others out as they aren't proper questions as they are lacking description
Answer:
Firsthand Information
Explanation:
There really is no explanation to it. The person providing the information witnessed or had something to do with the event or whatever happened.
The world is getting warmer and that causes the ice caps to melt and its going to cause the land to flood