Based on the pH scale soils are neutral at ________
A) 7.0
B) 7.5
C) 8.0
D) 6.5
E) 6.0
Answer: A
Environmental & Atmospheric Sciences
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The two fundamental characteristics that distinguish a mineral from all other minerals are its
A. density and streak. B. chemical composition and crystal structure. C. color and hardness. D. hardness and cleavage.
Environmental & Atmospheric Sciences
The extinction of large mammals at the end of the ________ Epoch may have been caused by a meteorite
Fill in the blank(s) with correct word
Environmental & Atmospheric Sciences
If an object radiates more energy than it absorbs, its
A) thermal energy decreases. B) temperature decreases. C) both A and B D) neither A nor B
Environmental & Atmospheric Sciences
The direct collision of a raindrop with the ground, laterally shifting fine particles a few millimeters, is ______.
a - splash erosion b - valley cutting c - rill formation d - peds pushing e - plucking
Environmental & Atmospheric Sciences