Alfred Wegener Proposed the Continental Drift Theory.
Answer the following statement(s) true (T) or false (F)
Ans: True
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What is the connection between the amount of silica in a melt and how viscous it is?
A) Silica forms strong bonds, so higher amounts of silica make for more viscous magma. B) Higher silica content lowers the melting temperature and since increasing the temperature of a magma decreases viscosity increasing silica content increases viscosity. C) Higher silica content means a larger amount of water a magma can dissolve and water decreases magma viscosity, so increasing silica conte
We know that the universe has been expanding outward from a point because:
a) We observe "blue shift" of lights from distant galaxies b) We have a solar system c) We observe different planets d) We observe "yellow shift" of lights from distant galaxies e) We observe "red shift" of lights from distant galaxies
When the number of breeding animals within a species on an island is small, evolutionary change may be rapid through ____
A) ?favorable adaptations B) ?natural selection C) ?unfavorable mutations D) ?physical isolation
Energy consumption for transportation
A. is highest in more economically developed countries. B. is growing slowly in newly industrialized countries. C. is very similar in all more economically developed countries. D. None of the statements is true.