Complex computer models have been used to model atmospheric temperature from 1900-2000. At which year, and from this point forward, did the model result not match the observed data using only natural factors?
A. 1900
B. 1950
C. 1995
D. 1975
Answer: B
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Environmental ethics is best defined as ________
A) studying the moral relationships of humans to the environment and the environment's living organisms B) studying the rightness and wrongness of human actions C) actions taken by humans in the environment in which they live that have impact D) studying the economic value of all living things in their environment E) the extrinsic value placed on people, organisms, and objects in the environment
Why is plastic not a mineral?
a) it is not solid. b) it is not natural. c) it is not chemically homogeneous.?
If glacial ice were considered a rock, what type of rock would it be, and why? What will be an ideal response?
Tillite indicates ________.
A. recent glacial deposition B. ancient glacial erosion C. ancient glacial deposition D. recent glacial erosion