The Moon formed: a. roughly 6000 years ago, when the San Andreas fault began moving. b. roughly 100 million years after

[answerhappygod]

The Moon formed:
a. roughly 6000 years ago, when the San Andreas fault began
moving.
b. roughly 100 million years after the rest of the solar
system, when earth collided with a now-destroyed planet the
size of Mars.
c. during the early Ordovician, roughly 450 million years
ago.
d. at the same time as the earth and the rest of the solar
system.
e. none of the above.
Question 4
sediment in front of a glacier as easily recognized
because:
a. it has an abundance of garnets and other tough mineral
grains
b. the sediment grains are highly rounded and spherical
c. the deposit is poorly sorted
d. the deposit is well sorted
e. none of the above are accurate
Examples of mass movement include:
a. delta formation
b. basaltic eruptions
c. rockfalls
d. asteroid impacts
e. all of the above
Methane is:
a. never found on/in the ocean floor
b. a radioactive gas often found in basements.
c. a greenhouse gas, 20x more efficient than carbon
dioxide.
d. usually too rare to have a significant influence on the
climate.
e. mainly produced by the burps of domestic cattle.
The largest mass extinction happened at the same time that:
a. Pangea was finally assembled and immediately before the
supercontinent broke up
b. the modern glaciation began
c. animals first began to evolve onto dry land
d. non-avian dinosaurs were wiped out
e. all of the above
Aside from meteorites, the oldest rocks on earth are roughly how
old?
a. 3.9 billion years
b. 2.0 billion years
c. 65 million years
d. 4.6 million years
e. none are even close
The competence of a stream is:
a. the total amount of sediment carried.
b. the maximum particle size that can be transported.
c. the total length of the shoreline, divided by distance
from headwater to mouth.
d. the skill of the scientists who are attempting to
prevent flooding.
e. none of the above.
According to your textbook, almost 90% of the world's energy
comes from:
a. nuclear power
b. fossil fuels
c. hydrothermal and other renewable energy sources
d. wind power
e. hydroelectric power