Which of the following can pass through a dialysis membrane?
A) colloidal particles
B) macromolecules
C) small molecules
D) none of them
C
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What caused a relative rise in sea level along the East Coast of the U.S. approximately 20,000 years ago?
A) Tectonic uplift of the land B) Melting glaciers C) Isostatic rebound of the land D) A change in Earth's orbit E) None of these choices are correct
Which would produce a more highly valued element, adding or removing a proton from the element gold?
What will be an ideal response?
Diatoms have one of the most efficient energy conversion rates known, using approximately 55% of absorbed sunlight
a. True b. False
In meteorological terminology, the primary difference between convection and advection is:
A) Convection represents surface heat transfer and advection represents upper atmosphere heat transfer. B) Convection represents horizontal heat transfer and advection represents vertical heat transfer. C) Convection represents vertical heat transfer and advection represents horizontal heat transfer. D) Convection represents upper atmosphere heat transfer and advection represents surface heat transfer. E) None of the above; the terms are used interchangeably.