Read the following passage and choose the best answers to the questions

A. growth

B. speed

C. problem

D. pollution

A. development

B. usage

C. population

D. increase

A. Food production requires that the forests be cleared to create farmland.

B. Food production uses many chemicals which add to global warming.

C. Producing more food leads to growth in the world population.

D. Food production decreases the ability of the air to release heat.

A. Higher standards of living are better for the environment.

B. First world nations create less population than developing nations.

C. The use of natural resources is directly related to the standard of living.

D. High standards of living lead to increases in world population.

A. To compare the standards of their citizens.

B. To explain why China will not be able to become a first world nation.

C. To explain why the world’s use of energy will need to double soon.

D. To better illustrate the effects of an increase in standards of living.