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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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
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
Environmental & Atmospheric Sciences
What is the approximate lifetime of an ATP molecule in a cell?
A) 1 second B) 1 minute C) 1 hour D) 1 day
Environmental & Atmospheric Sciences
Floods that develop rapidly with little or no advance warning are called ____ floods
a. rapid b. sudden c. storm d. thunderstorm e. flash
Environmental & Atmospheric Sciences