Which of the following features best describes this object?
A. supernova
B. nebula
C. spiral galaxy
D. star
Answer: D
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All of the following are benefits of organic farming and crop rotation as a sustainable agriculture method EXCEPT
A. it typically requires less water. B. it requires the use of few or no pesticides. C. it can best help large-scale farmers. D. it can spread out the risk of crop failure.
Catastrophic events must have precedents.
Answer the following statement true (T) or false (F)
In the cumulus stage of an ordinary single-cell thunderstorm
A) warm air near the ground rises at the moist adiabatic lapse rate. B) moist air rushes upward, forming the updraft. C) entrainment is not yet occurring. D) hail formation is most prevalent. E) thunder and lightning are common.
Aurora occur in the _______________
Fill in the blank(s) with correct word