What is particularly troublesome about the practice of mountaintop removal for mining coal in the mountains of West Virginia?

A. Dumping of waste rock in the surrounding valleys
B. Land subsidence
C. Cave-ins
D. Gas explosions


Answer: A

Environmental & Atmospheric Sciences

You might also like to view...

The concentration of carbon dioxide in surface water is low, whereas the concentration of oxygen is high because of the ________.

A. exchange of gases between the atmosphere and the ocean B. conversion of carbon dioxide to bicarbonate C. difference in solubility of the gases D. respiration of plants and animals E. photosynthesis process

Environmental & Atmospheric Sciences

Discuss the development of reptiles from amphibians. What changes were necessary to allow

reptiles to remain on land all the time? Why did this change allow access to many new environments for the reptiles to occupy? What will be an ideal response?

Environmental & Atmospheric Sciences

What is the process by which hazardous materials travel through body tissues until they reach the bloodstream?

a. Osmosis b. Absorption c. Ingestion d. Permeation

Environmental & Atmospheric Sciences

A keystone species

A) has a disproportionately large impact on the stability of an ecosystem. B) typically reduces overall biodiversity of an ecosystem. C) is typically an herbivore. D) is an example of amensalism.

Environmental & Atmospheric Sciences