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.

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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