Match the polar climate zone in column 1 to the characteristic in column 2. Nonpermanent
ice
?
Cold grassy plain
Tundra
?
Permanently frozen
a
Ice cap
?
Freeze-thaw cycles
Highlands
?
Glaciers near equator

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

Which material is an aquifer layer most likely made of? soil clay solid granite cracked rocks

What characteristic of the basin that feeds the congo river system affects movement in central africa? a. the center of the basin is a dense rain forest. b. it is the center of ethnic conflict in the area. c. wildlife on the savanna makes it too dangerous to travel. d. the basin is surrounded by desert.