Answer:
The temperature in the inner core can easily melt both iron and nickel but, because of too much pressure, the particles of iron and nickel are being compressed no to be able to do phase changes to turn into liquid. Too much pressure in the inner core keeps it in a solid phase and having a very high density
Explanation:
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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.
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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).
Answer:
The Battle of Gettysburg, fought from July 1 to July 3, 1863, is considered the most important engagement of the American Civil War. After a great victory over Union forces at Chancellorsville, General Robert E. Lee marched his Army of Northern Virginia into Pennsylvania in late June 1863.
Explanation:
Answer:The largest ocean in the world - the Pacific Ocean - is ten times bigger than the smallest one - the Arctic Ocean.
Explanation:
