What is porosity?
A) Volume of pore space in a material
B) Ability to transmit water
C) When ice crystals deform and slide past each other
D) Dissolution of carbonate rock due to acid
Answer: A
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Explain the three stages of the rock cycle and give two examples of each rock stage.
What will be an ideal response?
Lightweight Jane and heavyweight Jack wish to parachute at equal terminal velocities. Jack should
A. pull upward on the supporting strands to decrease the downward net force. B. use a larger parachute. C. jump lightly. D. jump first.
Warm air rises. This is an example of energy transfer by
A) convection. B) conduction. C) radiation.
_____ is a special type of natural selection in which males compete for mates or females select mates based on such traits
A)Mate selection B)Breeding C)Sexual selection D)Cross-breeding E)Survival of the fittest