Which of the following statements belongs in the box labeled “a” on the chart above? a. protects the ecosystem of the nile river delta b. controls the floodwaters of the nile river c. decreases the amount of arable land d. prevented the relocation of thousands of families

What major factors play a role in global warming? 1. human activity and normal climate conditions 2. natural factors and human activity 3. normal climate conditions and abnormal human activities 4. abnormal human activities and natural factors

Nwhat way does renewable energy differ from nonrenewable energy?

Which of the following statements best describes the quantity theory of inflation? a.inflation occurs because production cost rise and this cost increase is passed on to consumers in the form of higher prices b. inflation occurs because there is too much money in the economy c. inflation occurs because demand of good and services exceeds existing supplies d. none of these