The colorado plateau is an example of mountains.

a. uplifted
b. divergent-boundary
c. continental-continental convergent
d. fault-block

Astudent observes a star from two positions of earth in its orbit, in summer and winter, and measures the change in the position of the star. which of these can be best calculated by this method?

Ecologist have observed a sharp increase of sulfur dioxide in the air . what might be a possible consequence of excessive sulfur dioxide in the air ? a. acid rain b. ozone layer depletion c.ozone layer hole d.increase in sea levels

Plants consume most of their carbon from a. the soil b. the water c. the roots d. the air