Continental Polar and Maritime Polar ; Polar had a direct connotation with the cold. :)
Answer: The correct requirement for a black hole to form is:
C. The star must be 10 to 28 times larger than Earth’s sun, and a supernova explosion must have occurred.
Explanation: The least star that is larger than the sun is 10 times larger and a supernova explosion would have happen before a black hole to form.
I think it's true. I may be wrong. Sorry if i am
Answer:
Migration boosts the working-age population. Migrants arrive with skills and contribute to human capital development of receiving countries. Migrants also contribute to technological progress. Understanding these impacts is important if our societies are to usefully debate the role of migration
Answer:
one year, mostly beyond earth's orbit
Explanation:
- For a comet that has a very concentric orbit which brings it quite close to the sun and is at a distance of the AU of one thus making it around one year to orbit and would spend its time mostly in the beyond the orbit of the earth. As bodies that are closer to the sun move faster