to answer the following questions 1. How many tons of coal, oil, and gas are estimated to exist in the earth? a. 2200 b. 4 million c. 3300 billion d. 270 million ​

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

Suppose you were the commissioner of corrections for your state. which correctional activities might come within your domain? which mostly would not

The function of the ciliary escalator is to