Granite and ________ are composed predominantly of feldspar and quartz.
A. ultramafics
B. oceanic crust
C. diorite
D. basalt
E. rhyolite
Answer: E
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For countries of similar area and population, the one with the greatest amount of ________ is most likely to have the highest nutritional density
A) forest land B) farmland C) desert lands D) lakes, rivers and swamps E) mountains
How many half lives must elapse before 75% of parent isotope becomes daughter isotope?
a) One half life b) Two half lives c) Three half lives d) Four half lives e) Not enough information given to answer this question
Which of the following is a direct threat to biodiversity?
a. waste heat b. sediment c. introduced species d. sewage
Which of these forces has to act before the other three can come into play?
A) Coriolis force B) frictional force C) centrifugal force D) pressure gradient force E) none of the above