What are the human impacts on the Earth System?

a. The modification of landscapes and ecosystems
b. Pollution
c. Recent global warming
d. All of the above
e. Both a and b


Ans: d. All of the above

Environmental & Atmospheric Sciences

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The second step in the development of a hurricane is the

A) easterly wave. B) tropical depression. C) tropical storm. D) tropical disturbance.

Environmental & Atmospheric Sciences

Which of the following chemical bonds is formed by atoms that have a strong tendency to give up or attract neutrons?

a. metallic b. covalent c. crystalline d. ionic

Environmental & Atmospheric Sciences

Why does air flow into the center of a cyclone?

A. The center of a cyclone is near Earth's surface. B. The center of a cyclone is a region of low air pressure. C. The center of a cyclone is a region of cold air. D. The center of a cyclone is a region of high air pressure.

Environmental & Atmospheric Sciences

Deficiency of which of the following is associated with anemia?

A) folic acid B) nicotinic acid C) riboflavin D) thiamine

Environmental & Atmospheric Sciences