Soil is the layer of the earth's crust. top middle hard bottom

What is the difference between external & internal migration

What is found within a ranger tower overlooking a drained lake

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