Given an alkane, an alkene, and an alkyne, each of which contains two carbon atoms, which compound will contain the fewest hydrogen atoms?
A) the alkane
B) the alkene
C) the alkyne
D) None, they all contain the same number of hydrogen atoms.
C
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Subduction zones ____.?
a. dissipate heat from Earth's interior b. ?occur when plates collide instead of sink c. ?produce high mountain ranges d. ?generate Earth's largest earthquakes e. ?are rarely associated with volcanoes
Match the term with the appropriate phrase.
mid-ocean ridge a) spreading center b) subduction zone
In terms of the GII, most African countries have
A) rates far below the United States and Western Europe. B) rates that exceed the United States and Western Europe owing to African investment in centers of higher learning. C) rates that are greater than the United States but less than Europe. D) core-periphery models. E) weak national economies.
Solar, geothermal, and tidal energy are forms of ______.
Fill in the blank(s) with the appropriate word(s).