The mantle can be separated into two different portions: the lower mantle and the upper mantle. The lower mantle is
A) completely solid due to extreme pressure that prevents iron-rich silica rocks from melting.
B) composed of silly putty that flows like molasses.
C) rigid and has no capability of flow.
D) predominantly liquid silica.
Answer: A
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The specific heat capacity of water is about twice the specific heat capacity of ice. From this information, the amount of heat required to boil 1 kg of water is ________ the amount of heat required to melt 1 kg of ice
a. 1/2 c. 2 times b. equal to d. unrelated to
First Law of Thermodynamics: A certain gas is compressed adiabatically. The amount of work done on the gas is 800 J. What is the change in the internal (thermal) energy of the gas?
A. 800 J B. -800 J C. 400 J D. 0 J E. More information is needed to answer this question.
Ultramafic rocks are commonly found forming at the Earth's surface.
Indicate whether the statement is true or false.
Compare the Copernican principle with the assumptions of mediocrity
What will be an ideal response?