Answer:
natural resource is the correct answer for the question
The answer is
d. preventing weather events
Preventing weather events is not an advantage to tracking changes in the climate system.
The answer is Athens or letter a. The Athenians were a sea-faring race and they
had major ports that they used for trade.
They traded with other countries and this helped contribute to the
growth of Athens’ growth a state which later led to her Golden Age.
If the coast-to-coast distance is about 2900 miles, it will take about ...
... (2900 mi)/(186000 mi/s) ≈ 15.6 ms
for the signal to travel coast-to-coast at light speed.
_____
There are time delays due to the amplifiers and repeaters required in the path, and due to the fact that the signals don't actually travel at the speed of light in a wire.
A test of internet speed between Seattle and Washington, DC shows a round-trip time of about 87 ms when traffic is light. Modern communication channels tend to be faster than the telegraph (especially when measured in words per minute).
