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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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
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
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 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