What is the name of the supercontinent that preceded Pangaea?
A) Amasia
B) Rodinia
C) Challenger
D) Africana
Answer: B
Environmental & Atmospheric Sciences
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Europe and North America have fertility rates below replacement rate.
Answer the following statement(s) true (T) or false (F)
Environmental & Atmospheric Sciences
Earth satellites in an elliptical orbit have greatest speeds when
A. farthest from the Earth. B. nearest the Earth. C. neither of these D. can't say
Environmental & Atmospheric Sciences
Forchhammer was the first to observe that seawater contains fewer silica and calcium ions than river water
a. True b. False
Environmental & Atmospheric Sciences
Starch and cellulose are examples of ________
A) lipids B) carbohydrates C) sterols D) nucleic acids E) proteins
Environmental & Atmospheric Sciences