A keystone species
A) has a disproportionately large impact on the stability of an ecosystem.
B) typically reduces overall biodiversity of an ecosystem.
C) is typically an herbivore.
D) is an example of amensalism.
A
Environmental & Atmospheric Sciences
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A substance in the physical environment that has value to human beings is
A) energy. B) a reserve. C) a resource. D) power. E) a mineral.
Environmental & Atmospheric Sciences
On average, the water equivalent of 25.4 cm of snow is about how many centimetres of water?
A. 6.35 cm B. 5.08 cm C. 2.54 cm D. 1.27 cm
Environmental & Atmospheric Sciences
Describe the change in the water-table elevation from ???? to ????. What will be an ideal response?
Environmental & Atmospheric Sciences
The New Madrid and Charleston earthquakes were ________ earthquakes
Fill in the blank(s) with correct word
Environmental & Atmospheric Sciences