Answer:
Cold fronts
<em>good luck, i hope this helps :)</em>
False. They would be able to guess the general century by whats in the rock, but not specific years.
Answer:
If more people migrate there will be more profit made by the countries where people migrate. This means the government can spend those money to improve social places such as schools, city centers, houses, parks and etc.
Explanation:
I really do not understand this but i hope you find it