Without its atmosphere, earth would be warmer bombarded by meteorites similar to mars relatively lifeless

Aplane cuts a pyramid as shown in the diagram. what is the shape of the cross section? a. a hexagon b. a pentagon c. a square d. a triangle

Read the article about the fraser river, one of the most important rivers in canada. what is the most important species of fish in this river? why are the numbers of these fish declining?

How do you think the different landforms of northern and southern europe would affect ways of life in those two areas