Which of the following is a natural soil buffer that is abundant in the midwestern United States and helps to reduce the amount of acidification of lakes in that region?

A) Granite
B) Limestone
C) Sand and gravel
D) Mosses and algae in the soil


B

Environmental & Atmospheric Sciences

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During the light reactions of photosynthesis, the solar energy absorbed by chlorophyll is used to ________

A) split water molecules and release oxygen in the form of O2 B) defend against predators C) produce small, high-energy molecules that are used in the Calvin cycle to manufacture sugars D) break down macromolecules such as starch E) Both A and C

Environmental & Atmospheric Sciences

The global human population

A) consumes fewer resources in a year than Earth can provide. B) has decreased its resource consumption in the last decade. C) would consume fewer total resources if everyone in the world consumed as many resources as the average American. D) needs 1.5 Earths to sustain its current rate of consumption.

Environmental & Atmospheric Sciences

Periodic freezing and thawing of the upper ground surface when the weather is cold can lead to _______

Fill in the blank(s) with correct word

Environmental & Atmospheric Sciences

If we wish to prepare a 0.50 M solution of NaCl, how much water must be added to 1.0 mole of NaCl?

A) 2.0 mol B) 2.0 L C) 2.0 x 10^3 g D) Enough water to make 2.0 L of solution.

Environmental & Atmospheric Sciences