What is a planetesimal?
A) A rotating cloud of interstellar gases
B) A celestial body that orbits the sun but cannot clear its own neighborhood
C) Rocky material accreted through repeated collisions
D) The core of a star that has gone through a nova
Answer: C
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What will be an ideal response?
Because of the resurgence of the Russian Orthodox church, HIV/AIDS is not a problem in today's Russia
Indicate whether the statement is true or false
The use of government rangelands for the grazing of cattle has
A) resulted in the increased economic productivity of these regions. B) raised funds that are now available to replant these regions. C) produced cooperative relationships between herders to sustainably manage these regions. D) sharply reduced productivity, resulting in economic losses.
Explain how heat is a form of kinetic energy.
What will be an ideal response?