Which of the following statements about mining is true?

a. Mining has no long-term effects on the Earth.

b. Mining is unimportant to the economy.

c. Mining has no ecological impact.

d. Mining allows useful minerals to be extracted from the Earth.

Which of the following occurred about 21,000 years ago? a. The North Atlantic Ocean begins to form. b. India breaks off from Antarctica and begins moving north toward Asia. c. The formation of the ice age glaciers. d.

What role did geography play in the early African kingdoms? Volcanic eruptions scared away attackers. Mineral deposits brought wealth and power. The Great Rift separated them from the continent. Tropical storms extended the growing season.

Tool to graph the function f (x) = 1/2x - 3

Which side of a mountain faces the moisture-rich ocean air? A. the down wind side B. the leeward side C. the windward side D. the side where no snow falls

Which scientist have contributed to our knowledge of earth

What statement about rainforests is false?

How many offers were made ro the palestinians to create their own átate

Which area of rivers and streams will most likely contain the most sediment? a. the source b. the mouth c. the middle portion d. none of the above

Three economic principles of natural resource management are 1) Opportunity Cost; when you make a choice, you lost the opportunity to choose other things 2) Time preference; how fast you can wait for a return on your investment 3) Discount rate;

Acid rain is a serious problem in China. true or false?