The military coup that started in April of 1974 marked the beginning of what was known as the Carnation Revolution.
Answer:
It is believed not
Explanation:
The current shapes of the continents align with eachother in a way that would lead us to believe they were once part of a whole mass, cientists call this the pangea theory something that is further supported by the correlating geography of each continent.
Earth is made up of mantle.
Silicon, magnesium, iron, and other minerals
-cassie