Which form of coal has the highest EROI?

a. peat
b. lignite
c. subbituminous
d. bituminous
e. anthracite


E

Environmental & Atmospheric Sciences

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During World War II, entire cities were ignited as thousands of tons of bombs created massive firestorms, killing tens of thousands of people in such cities as Hamburg and Dresden.

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

Environmental & Atmospheric Sciences

Waves derive their energy and motion from:

a. Wind b. Gravity c. Tide d. Thermal from Sun

Environmental & Atmospheric Sciences

Waves are usually perpendicular to the coast

Indicate whether the statement is true or false

Environmental & Atmospheric Sciences

In order to change the pH of water by one integer number (from 7 to 8 or from 8 to 7, for instance), you would have to change the concentration of the hydrogen ion by a factor of ________.

A. 50 B. 1000 C. 10 D. 100 E. 500

Environmental & Atmospheric Sciences