The oldest parts of Earth's crust are located along the midocean rifts
Indicate whether the statement is true or false
F
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Two small cylindrical plastic containers with flat bottoms are placed on a turntable that has a smooth flat surface. Canister A is empty; canister B contains lead shot. Each canister is the same distance r from the center. The coefficient of static friction between the canisters and the turntable is ?s. When the speed of the turntable is gradually increased,
a. only the lighter container slides outward off the turntable; the heavier one stays on. b. only the heavier container slides outward off the turntable; the lighter one stays on. c. both containers slide off the turntable at the same turntable speed. d. the lighter container slides inward. e. the heavier container slides inward.
Which of the above sections of this molecule would be considered a saturated portion of the molecule?
A) a B) b C) c D) a and b E) all of the above
The amount of dark matter in the universe is
A) about the same as the amount of visible matter. B) many times more than the amount of visible matter. C) about twice as much as the amount of visible matter. D) many times less than the amount of visible matter. E) entirely unknown at the present time.
Saturn's bands, oval storm systems, and turbulent flow patterns are powered by
A) convective motion and rapid rotation. B) the greenhouse effect. C) a liquid metallic hydrogen interior. D) the fusion in Saturn's core. E) the tides of Titan.