The saguaro, found in desert regions in the southwestern United States,______cactus in the
A. is the largest
B. the largest
C. that is the largest
D. the largest that is a
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A．She did better on the quiz than the man did.B．She did not have to take the quiz.C．Sh
A. She did better on the quiz than the man did.
B. She did not have to take the quiz.
C. She has not yet received her grade on the quiz.
D. She did not do well on the quiz.
A．He has never seen a fossil that old.B．It could be many millions of years old.C．It is
A. He has never seen a fossil that old.
B. It could be many millions of years old.
C. It is probably a recent specimen.
D. He will ask the lab how old it is.
According to the passage, what is the effect of Jupiter's other large moons on Europa？
A. They prevent Europa's subsurface waters from freezing.
B. They prevent tides that could damage Europa's surface.
C. They produce the very hard layer of ice that characterizes Europa.
D. They assure that the gravitational pull on Europa is maintained at a steady level.
According to the passage, which of the following is true about all early domesticated plants？
A. They were varieties of weeds.
B. They were moved from disturbed areas.
C. They succeeded in areas with many trees.
D. They failed to grow in trampled or damaged areas.
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