Answer:
The longest time period is eons.
The answers is B.) Large number of Africans we’re forcibly taken to American during the slave trade .
My guess would definitely be false, public transportation seems like a much more reliable mean.
Explanation:
Except in the crust, the interior of the Earth cannot be studied by drilling holes to take samples. Instead, scientists map the interior by watching how seismic waves from earthquakes are bent, reflected, sped up, or delayed by the various layers.