Slow surface evolution on the Moon is limited to
a. low-density masses of rock rising from the interior.
b. low level meteorite impacts.
c. moonquakes disturbing the surface features.
d. motion along a network of small faults.
e. All of the other choices are correct.
Question 2
Why would a decrease in the density of the ozone layer create a public health concern?
a. The greenhouse effect would not be as efficient and the temperature of Earth would decrease.
b. The greenhouse effect would be more efficient and the temperature of Earth would increase.
c. Plant life would no longer have the ozone it needs for photosynthesis to create chlorophyll.
d. Ultraviolet radiation from the Sun would bombard Earth.
e. none of the above
Genetic control of eye evolution.
Juglans nigra (Black Walnut tree) lower leaf surface
The Moon’s Interior
Big Picture of the Evolution of the Universe
Moon
Surface Salinity of the Oceans