Channels on the surface of Mars may have been formed by
A. tectonics.
B. wind.
C. running water.
D. collapse.
Answer: C
Environmental & Atmospheric Sciences
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When a parcel of air at a given temperature holds all of the water vapor that it possibly can, it is said to be in a state of:
a. equilibrium. b. maxima vapora. c. saturation. d. overload.
Environmental & Atmospheric Sciences
Wind moves sediment by
A. carrying finer material, like dust and silt, in air currents. B. rolling sand grains along the surface. C. bouncing sand grains along the surface. D. All of these choices are correct.
Environmental & Atmospheric Sciences
Lung-fish are important in the fossil record because amphibians evolved from them. Indicate whether the statement is true or false
Environmental & Atmospheric Sciences
The Appalachian Mountains are older than the Rocky Mountains
Indicate whether the statement is true or false
Environmental & Atmospheric Sciences