The continental crust is:

a. formed from quickly-cooled lava.

b. composed mostly of granite.

c. made of rock 200 million years old.

d. up to 6km thick.

(apex)

Reason i shouldnt turn back if i'm lost in the wilderness need fast

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?

Ineed to draw a simple map of oil where can be found on the map.