During the last two million years, there have been at least ____________________ warm-cold cycles
Fill in the blank(s) with correct word
20twenty
Environmental & Atmospheric Sciences
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What is considered the "keystone" species of the Antarctic ecosystem?
a. krill b. dinoflagellates c. copepods d. cyanobacteria e. diatoms
Environmental & Atmospheric Sciences
What is the primary conflict in the central Asian "–stan" countries about?
a. Russification b. de-Russification c. quality of life d. routes of oil pipelines e. water
Environmental & Atmospheric Sciences
Of the states below, which has the greatest number of volcanoes (active or inactive)?
A) New York B) Florida C) Arizona D) Louisiana E) Alaska
Environmental & Atmospheric Sciences
A jetty would most likely be constructed to negate the effect of __________ currents.
Fill in the blank(s) with correct word
Environmental & Atmospheric Sciences