Question 1

The greenhouse effect affects weather patterns,but has little effect on biodiversity.

Accepted Answer

A) True 
 B)False

Question 2

Urbanization is one reason why reforestation has taken place in Europe and the United States.

Accepted Answer

A) True 
 B)False

Question 3

List and discuss three human causes of declining biodiversity.

Accepted Answer

The answer of List and discuss three human causes of...

Question 4

Human beings need about 50 liters of water per day for drinking,cooking,and washing.

Accepted Answer

A) True 
 B)False

Question 5

Since 1975,the U.S.per capita use of water has continued to increase at a dramatic rate.

Accepted Answer

A) True 
 B)False

Question 6

Which of the following is true of chemical pollution?

Accepted Answer

A) DDT is currently used on most American croplands. 
B) Organophosphates are not as toxic as previously-used herbicides. 
C) The World Health Organization estimates that 20,000 agricultural workers die each year from pesticide exposure. 
D) None of the above are true.

Exam 2: Humans and the Resources of the Earth: Sources and Sinks

The greenhouse effect affects weather patterns,but has little effect on biodiversity.

Urbanization is one reason why reforestation has taken place in Europe and the United States.

List and discuss three human causes of declining biodiversity.

Human beings need about 50 liters of water per day for drinking,cooking,and washing.

Since 1975,the U.S.per capita use of water has continued to increase at a dramatic rate.

Which of the following is true of chemical pollution?