Earth experiences ice ages partly because there are variations in Earth's
A. sea level.
B. greenhouse gas levels.
C. seismic activity.
D. tilt and orbit.
Answer: D
You might also like to view...
Human-caused and natural events can be distinguished using seismic waves because ________.
A. only natural events produce P waves B. human-caused S waves can travel through water C. only human-caused events produce S waves D. there is no difference in P-S wave arrival times for human-caused events E. they produce different S and P wave patterns
What are the origins of gerrymandering and what are the three forms of it?
What will be an ideal response?
In which sphere would we find insects, plants, humans, and bacteria?
A) hydrosphere B) biosphere C) geosphere D) atmosphere
Water budgets vary tremendously from one climate to another
Indicate whether the statement is true or false.