A topographic map showing contour lines that are close together on both sides of a river would most likely represent- a) a steep mountain
b) a valley
c) a gradual slope
d) a canyon
​

Long ago, people who lived in coastal north africa most often interacted with

You are a scientist who has been sent on a special mission to study plants and animals in south asia! your destination is an important forest in eastern india. you need to travel to 17°n latitude and 83°e longitude. which star should you travel to?

On nights when we see the new moon phase, what side of the moon are we seeing?