Plumes form _____ that are related to areas of active volcanisim such as Iceland, Yellowstone and Hawii
What will be an ideal response?
Hot spots
Environmental & Atmospheric Sciences
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The most abundant greenhouse gas in Earth's current atmosphere is
a. ?carbon dioxide (CO2). b. ?nitrous oxide (N2O). c. ?water vapor (H2O). d. ?methane (CH4). e. ?chlorofluorocarbons (CFCs).
Environmental & Atmospheric Sciences
A change in the genetic composition of an individual in a population is known as
A. emigration. B. mutation. C. natural selection. D. biological evolution. E. genetic drift.
Environmental & Atmospheric Sciences
A climate is classified as dry when annual precipitation is less than ________
Fill in the blank(s) with the appropriate word(s).
Environmental & Atmospheric Sciences
The large size of some Pleistocene mammals was probably an evolutionary adaptation to allow these animals to live in
tropical climates. a. True b. False
Environmental & Atmospheric Sciences