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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Climate change can be related to plate tectonic activity.
Answer the following statement true (T) or false (F)
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
Some individuals are sensitive to a multitude of toxins, a condition called ____________________
Fill in the blanks with correct word
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.