Earth's average global temperature is warmer today than it has been in
A. 1800 years.
B. 10,000,000 years.
C. 125,000 years.
D. 200 years.
Answer: B
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Convergent plate boundaries mark locations where lithosphere is created. Indicate whether the statement is true or false
The renewal of erosion that results in creation of stream terraces is generally attributed to a change in
____________________ level, or a change in climate resulting in greater ____________________, and thus, discharge. Fill in the blank(s) with the appropriate word(s).
Which is not a reason why a refined oil spill is more harmful?
a. The oil contains more energy potential due to additives during the refinement process. b. There are more biologically active components remaining in refined oil. c. The refining process removes heavier components. d. There are components that are added to oil which are deadly.
The species that are generally most vulnerable to human impact are the ________
A) decomposers B) producers C) competitive species D) top predators E) keystone species