Compared to the rest of the planet, an unusually high concentration of hot spots and rifting is located on the continent of Africa. A likely explanation for this is that __________.
a) a large portion of Africa is located near the equator
b) mantle plumes do not occur at divergent plate boundaries, and Africa has no divergent plate boundaries
c) the African Plate is essentially stationary with respect to Earth's interior and the thick continental crust acts as a "heat blanket"
d) the thick continental crust acts as a "heat blanket" and a large portion of Africa is located near the equator
e) Africa is just very large
c) the African Plate is essentially stationary with respect to Earth's interior and the thick continental crust acts as a "heat blanket"
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A. One half. B. One-quarter. C. You'd have increased weight. D. No change.
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Net energy is the amount of useful energy available from a source minus the energy needed to make it available.
Answer the following statement true (T) or false (F)