The law of reflection tells us that the incident ray, reflected ray, and normal
A. lie in planes that are perpendicular to one another.
B. lie in the same plane.
C. are not restricted to any direction.
D. may or may not lie in the same plane.
Answer: B
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Which of the following best describes the effect of convective flow on the elevation of Earth's major landforms?
A) Convective flow adds more material to the base of the lithosphere, making it downwarp. B) Rotation of convecting mantle material smoothes out wrinkles in the surface. C) Hot rising material upwarps the landscape whereas downward flow causes downwarping. D) Subduction of oceanic plates disrupting the convective flow on the mantle, resulting in hot spots burning through the crust.
During the Triassic, the climate of the low and middle latitudes was
a. tropical. d. arid. b. temperate. e. arctic. c. cold desert
Isotopes of the same element have different numbers of neutrons.
Answer the following statement true (T) or false (F)
Due to overpopulation, when a Soviet woman had fewer than two children, she was presented with a new car and a medal and declared a "heroine of the Soviet Union."
Indicate whether the statement is true or false