How do heat-flow measurements support the hypothesis of mantle convection?
What will be an ideal response?
The higher heat flow values on oceanic crust than continental crust indicate that most of the heat leaving Earth's interior is coming from the mantle. The very low heat conductivity of mantle rocks precludes this heat from reaching the surface by conduction. The measured heat flow values are consistent with mantle convection.
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The family of languages known as the Indo-European family contains languages spoken by approximately ________ of the world population
A) 25% B) 30% C) 50% D) 70%
Why is Australopithecus sediba an important fossil in the discussion of human evolution? What will be an ideal response?
Which of the following compounds is an ether?
A) aniline B) anisole C) phenol D) toluene
A whitish halo around the Sun, or a bright sheen visible in a nearby layer of thin clouds, is often the result of Mie scattering
a. True b. False