Answer:
B. economic growth
when an area doesn't have enough money the society falls
the disks of spiral galaxies appear blue because:
spiral galaxies are still undergoing star formation
Hope this helps:)
Answer: The global climate warmed.
Explanation: Mount Pinatubo erupted in 1991 and is one in every of the biggest volcanic eruption that has taken area on earth. This eruption brought about the emission of a massive quantity of poisonous gases which includes sulfur dioxide and volcanic ashes. These had been trapped withinside the surroundings for a protracted length of time. There had been a few substances that meditated the incoming sun radiations again into space. Due to this, the gases had been trapped withinside the surroundings and sooner or later brought about a growing floor temperature. This occasion brought about the earth's international weather plenty warmer.
Answer:
The countries once were joined in one piece called Pangaea. Animals lived ON the pate boundaries of Pangaea. The plates then moved apart.
Explanation:
