Answer:
480 million years ago
The Appalachians first formed roughly 480 million years ago during the Ordovician Period, and once reached elevations similar to those of the Alps and the Rocky Mountains before they were eroded.
Explanation:
so b is your answer
Answer:
C. Equal Employment Oppertunity
Explanation:
I believe the answer is: Use multiple password
These days, many hackers have develop a software to extracting our password by trying the potential combinations through algorithm.
Using multiple passwords would substantially extend the time needed for the software to finish since it need to tried huge amount of combination.
Answer:
A.Scientific judgments and values.
Explanation:
