Link impedance for network applications can be measured by:

A. travel time
B. physical length
C. both of these are correct


Answer: C

Environmental & Atmospheric Sciences

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An amino acid is an organic molecule that contains both an amine group and a carboxyl group. At an acidic pH, which structure is most likely?

A. Structure (a) B. Structure (b) C. Structure (c) D. All three structures are equally possible.

Environmental & Atmospheric Sciences

Which event did not occur in the Hadean (4.6-4.0 bya)?

a. formation of oceans b. extremely bright Sun c. formation of Moon d. accretion of Earth e. formation of core and mantle

Environmental & Atmospheric Sciences

Glacial _______ can be used to determine relative time. Fill in the blank(s) with the appropriate word(s)

Environmental & Atmospheric Sciences

What is the tenacity of a mineral, and how can it be described?

a. Tenacity is the mineral's resistance to breaking, bending, or otherwise deforming, although the deformation always reverts to the original shape of the mineral. A mineral's tenacity can be described as tenacious, very tenacious, or not tenacious. b. Tenacity is the mineral's resistance to breaking, bending, or otherwise deforming. A mineral's tenacity can be described as brittle, elastic, malleable, or sectile. c. Tenacity is the mineral's resistance to breaking, bending, or otherwise deforming. A mineral's tenacity can be described as tenacious, very tenacious, or not tenacious. d. Tenacity is the mineral's crystal's ability to stay attached to other crystals. It can be described as tenacious, very tenacious, or not tenacious. e. Tenacity describes how easily a mineral crystal can be separated from other crystals and is described as brittle, elastic, malleable, or sectile.

Environmental & Atmospheric Sciences