Dean plays with a popular swinging-balls. If two balls are dropped into the array and one ball pops out with twice the speed, this would violate the conservation of
A. momentum.
B. energy.
C. both of these
D. none of the above
Answer: B
Environmental & Atmospheric Sciences
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The lithosphere includes
A) continental and oceanic crust. B) the crust and the upper part of the mantle. C) part of the mantle and the crust. D) all of the above
Environmental & Atmospheric Sciences
According to most estimates, Earth is approximately
A) 4.6 thousand years old. B) 4.6 million years old. C) 4.6 billion years old. D) 4.6 trillion years old.
Environmental & Atmospheric Sciences
It has been estimated that about ________ of the CO2 added to the atmosphere has been absorbed by seawater.
A. 5% B. 25% C. 40% D. 15%
Environmental & Atmospheric Sciences
What type of rock is formed of other rocks that were altered by heat, pressure, or both?
A. regolith B. igneous C. sedimentary D. clastic E. metamorphic
Environmental & Atmospheric Sciences