Answer:
Do góc nhập xạ nên....
Mình nhớ mang máng như thế
7. B
8. D
9. A
Hope that helps out man!
~Ressedue~
__________
The principal that states that younger rocks lie above other rocks in the superposition principal.
Answer:An ice age is a period of colder global temperatures and recurring glacial expansion capable of lasting hundreds of millions of years.
Explanation:These global cooling periods begin when a drop in temperature prevents snow from fully melting in some areas. The bottom layer turns to ice, which becomes a glacier as the weight of accumulated snow causes it to slowly move forward. A cyclical pattern emerges in which the snow and ice traps the Earth’s moisture, fueling the growth of these ice sheets as the sea levels simultaneously drop.
