What is used as a measurement of the corrosive strength of a substance?

a. Molecular weight
b. pH
c. Reactivity index
d. Ionic concentration


Answer: b. pH

Environmental & Atmospheric Sciences

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Woody shrubs (called chaparral or maquis) and widely spaced, stunted trees with occasional patches of bunchgrass are the dominant vegetation types in ____

a. tropical rainforest and tropical savanna borders b. humid continental climates c. desert climates d. Mediterranean climates e. subarctic climates

Environmental & Atmospheric Sciences

What type of stress associated with plate movement causes folding of the crust?

A. vertical compression B. shearing C. tension D. bending E. lateral compression

Environmental & Atmospheric Sciences

Of the following choices, the environment with the highest net primary productivity is the

A) temperate deciduous forest. B) open ocean. C) coral reef. D) cropland.

Environmental & Atmospheric Sciences

Bangladesh had a population, in the year 2012, of 161,084,000 and had a population growth rate of

1.6%. How many years, after 2012, will it take for the population to double at this rate? What will be an ideal response?

Environmental & Atmospheric Sciences