What research vessel carried out the first large-scale plankton study?
A) Meteor
B) HMS Challenger
C) HMS Beagle
D) HMS Discovery
A
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Some individuals are sensitive to a multitude of toxins, a condition called ____________________
Fill in the blanks with correct word
Climate change can be related to plate tectonic activity.
Answer the following statement true (T) or false (F)
Western Asia consists of seven nationalities and dozens of ethnicities. The region is characterized by
A) a severe lack of fresh fruit. B) a severe lack of correspondence between the territories occupied by ethnicities and by nationalities. C) strong unity because of a few common languages. D) having 99% of all inhabitants identified as Muslims. E) relative harmony between this groups.
A major comet or meteorite impact occurred in Mexico at the time boundary between the ________.
A. Pleistocene and Pliocene B. Pliocene and Miocene C. Cretaceous and Tertiary D. Precambrian and Cambrian E. Jurassic and Cretaceous