Desertification in the Sahel region occurred in large part because of a positive feedback mechanism involving the descending branch of the Hadley cell

Indicate whether the statement is true or false


True

Environmental & Atmospheric Sciences

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The matter and energy laws tell us that we can recycle ____.

A. both matter and energy B. neither matter nor energy C. matter but not energy D. energy but not matter E. nothing and everything

Environmental & Atmospheric Sciences

How does a crevasse form?

A) A glacier moves over a volcanic hot spot, causing differential melting and caving it inward. B) A glacier moves across a ridge of particularly resistant rock, which breaks the glacier from the bottom upward. C) Internal stress causes a glacier's upper surface to break as the glacier moves. D) A glacier moves over a pre-existing stream valley, which causes it to fracture on each side of the valley.

Environmental & Atmospheric Sciences

Which of the following is true when HCl(g) dissolves in water?

A) The HCl(g) reacts with the water. B) The solution is a strong electrolyte. C) both a and b D) neither a nor b

Environmental & Atmospheric Sciences

At present (2016) growth rates, the doubling time of the world's population is about 70 years.

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences