Provide three examples of planetesimals
What will be an ideal response?
Answer: Comet, meteors, asteroids
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Nitrogen gas, the major component of the atmosphere, cannot directly be used by plants and animals.
Answer the following statement true (T) or false (F)
Calm winds associated weak pressure gradient and the vertical ascent of air in the ITCZ are known as
A) Hadley cells. B) the horse latitudes. C) the doldrums. D) westerlies.
Where is the oldest known rock on Earth located?
A) Ural Mountains, Russia B) Slave Craton, Alberta, Canada C) Gobi Desert, Mongolia D) Dharwar Craton, India
Permafrost is a serious issue for human settlement and survival in the Far North. What causes permafrost and why does it pose problems for continuous settlement in northern Canada and Alaska?
What will be an ideal response?