An interrelated collection of plants and animals and the physical environment with which they react is a(n)

A) biome.
B) ecosystem.
C) biomass.
D) biosphere.


Answer: B

Environmental & Atmospheric Sciences

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Sand covers approximately 75 percent of the world's deserts

Indicate whether the statement is true or false

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In an aqueous solution thee [OH-] is 1.0 x 10- 6 M. What is the [H+]?

A) 1.0 x 10^-9 M B) 1.0 x 10^-8 M C) 1.0 x 10^- 6 M D) 1.0 x 10^8 M

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Jatropha is a good source for biodiesel because        

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