Answer:
Pangaea is a hypothetical super continent that included all current land masses, believed to have been in existence before the continents broke apart during the Triassic and Jurassic Periods
HOPE THIS HELPED!!!!!!!!!! XDDDDDDDDDDDDD
Because Alexander had other ideas than Thomas
Sorry if this is a little late but im almost positive it is C
<span>The secession of several border states</span>
Answer:
The correct answer is D. The use of airplanes for mail transport.
Explanation:
Passenger transportation services began to expand through the mail business and at the same time they began to prosper in important markets.
Since the establishment of this kind of service, airplanes became faster, bigger, and they have had improvements in terms of fuel-efficient. However, the technological improvements in the airline industry have decreased, but there are still some innovations that could be applied.
Passengers prefer the use of airplanes because they can travel long distances in less time and because the airlines usually offer competitive prices.
the answer is silk and hope you pass