Around large oases are scattered throughout the sahara desert and support small villages and farming communities.

a.

50

b.

200

c.

90

d.

2,000

Which of the following is defined as combinations of soil particles that vary in size and shape?

What is unusual about the iraq mountains ,in spite of their old age?

This is a 2017 topographic map of puerto rico in the united states, and i'm sorry that people there have suffered such a disaster. i want to ask, what do the yellow dots and areas represent on this graph? and the blue area and the little blue circle, and the little blue sign that looks like a signal tower, what do they stand for?