This is produced by planets having a liquid core of some metallic material. The Earth produces one by having a liquid outer core of nickel and iron.

Amountain is larger than a hill, with steep sides true or false

How much water is in the ocean in cubic kilometers

Match the graph type to its description. 1. uses symbols to describe information pie 2. compares different quantities at the same point in time line 3. compares increases and decreases in a quantity over a period of time bar 4. shows the relationship of parts to each other and to the whole pictograph