Which of the following is not a "hard" shoreline protection measure?

A) groins.
B) beach nourishment.
C) jetties.
D) breakwater.


B

Environmental & Atmospheric Sciences

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How does the wave model of electrons orbiting the nucleus account for the fact that the electrons can have only discrete energy values?

A) Electrons are only able to vibrate at particular frequencies. B) When an electron wave is confined, it is reinforced only at particular frequencies. C) The energy values of an electron only occur where its wave properties and probability clouds are mutually reinforcing. D) The wave model accounts for the types of orbitals an electron may occupy, not its energy levels.

Environmental & Atmospheric Sciences

As you move from the Appalachian mountains towards the Atlantic Ocean, the depositional layers of sediments

beneath you ____. a. remain a constant thickness b. gradually become thicker c. gradually become thinner d. rapidly become thicker e. rapidly become thinne

Environmental & Atmospheric Sciences

The critical circle in a stability analysis would be the circle with the:

a. highest resisting moments b. highest driving moments c. highest safety factor d. lowest safety factor

Environmental & Atmospheric Sciences

Which of the following compounds has an extremely disagreeable odor?

A) CH3CH2OH B) CH3CH2OCH2CH3 C) CH3CH2SH D) none of these

Environmental & Atmospheric Sciences