What kind of movement of particles is able to move against normal concentration gradients?

A) Active transport
B) Diffusion
C) Osmosis
D) All of these choices


A

Environmental & Atmospheric Sciences

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Floods that develop rapidly with little or no advance warning are called ____ floods

a. rapid b. sudden c. storm d. thunderstorm e. flash

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Which of the following nations (or islands) has lost almost all of its forest cover?

A) Dominican Republic B) Haiti C) Cuba D) Puerto Rico E) Belize

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What is the approximate lifetime of an ATP molecule in a cell?

A) 1 second B) 1 minute C) 1 hour D) 1 day

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For the following acid-base reaction, identify what is formed in the space marked. H2SO4 + KOH ? KHSO4 + ???

A.

K2SO4

B.
H3OSO4

C.
KOH2SO4

D. H2O
E. none of the above

Environmental & Atmospheric Sciences