The indus valley can be found in the country of
a. india
b. pakistan
c. bangladesh
d. nepal

Blank is a naturally occurring gas that's found in most soils and rocks and can cause lung cancer

Which of the following describes what rocks usually are composed of ,

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?