________ is the downslope movement of rock, regolith, or soil under the direct influence of gravity

A) Mass wasting
B) Erosion
C) Weathering
D) Dissolution


Answer: A

Environmental & Atmospheric Sciences

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Which statement accurately describes hydrogen?

A. Hydrogen is fairly rare in the universe. B. Hydrogen is abundant in the atmosphere as a free gas. C. Hydrogen has a high net energy yield. D. Hydrogen gas is a fuel produced by using other forms of energy. E. Hydrogen use in fuel cells emits mercury pollution.

Environmental & Atmospheric Sciences

Hurricanes can push high mounds of seawater onshore as surges that temporarily raise sea level over 6 m (20 ft). 

Answer the following statement true (T) or false (F)

Environmental & Atmospheric Sciences

An individual carbon-oxygen bond is polar. Yet carbon dioxide, CO2, which has two carbon-oxygen bonds, is nonpolar because

A. the molecule has an even number of electrons. B. the electron-pulls of the two oxygen atoms are equal and opposite. C. it has a greater symmetry. D. Two of the above are reasonable.

Environmental & Atmospheric Sciences

Which part of the subduction zone is indicated in this image?

A) Deep-ocean trench B) Forearc basin C) Volcanic arc D) Back-arc basin

Environmental & Atmospheric Sciences