Which of these changes for an astronaut in orbit?
A. Weight.
B. Mass.
C. both
D. neither
Answer: A
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Paul lights bulbs in a parallel circuit. If he adds another branch of bulbs the brightness of the initial bulbs would be
A. brighter. B. no different. C. dimmer. D. none of the above
A broad alluvial apron formed by the coalescence of alluvial fans is called a(n) ____
A)alluvium B)bajada C)playa D)plain E)pediment
Photochemical smog is a primary pollutant resulting from industrial emissions
Indicate whether the statement is true or false
The crust and the mantle are divided into the following layers in order of increasing depth:
A. lithosphere, mesosphere, asthenosphere B. mesosphere, lithosphere, asthenosphere C. lithosphere, asthenosphere, mesosphere D. asthenosphere, lithosphere, mesosphere E. asthenosphere, mesosphere, lithosphere