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
You might also like to view...
The second step in the development of a hurricane is the
A) easterly wave. B) tropical depression. C) tropical storm. D) tropical disturbance.
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
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.
Deficiency of which of the following is associated with anemia?
A) folic acid B) nicotinic acid C) riboflavin D) thiamine