Which of the following is a method of grassland restoration?

A. removal of riparian areas and water holes from grasslands
B. removal of salt blocks for cattle
C. eliminating herbicide use allowing all plants to grow
D. rotational grazing
E. removal of native grasses to reduce growth


Answer: D

Environmental & Atmospheric Sciences

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Why is carbon dioxide able to be stored more effectively in ocean water vs. fresh water?

A. The oceans are large, and so you can dissolve more CO2 in them. B. The pH of the ocean is very low, and so the carbon dioxide is trapped as an acid because like dissolves like. C. The pH of the ocean is pretty high, and so the carbon dioxide is trapped in a neutralization reaction. D. Gases are more soluble in cold water than warm water, and the oceans are colder than fresh water lakes so you can dissolve more CO2 in them. E. none of the above

Environmental & Atmospheric Sciences

Artificially nourished beaches are generally short-lived. Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

Which of the major revolutions was most associated with our increased ability to engage in modern warfare using guns and bombs?

A) The Neolithic Revolution B) The Medical Revolution C) The Green Revolution D) The Industrial Revolution

Environmental & Atmospheric Sciences

With the assistance of powerful super computers, modern-day small-scale maps of Earth can now be made that are distortion free

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences