Answer:
The need for continental time zones stemmed directly from the problems of moving passengers and freight over the thousands of miles of rail line that covered North America by the 1880s. Since human beings had first begun keeping track of time, they set their clocks to the local movement of the sun.
Explanation:
it should be sugar for what nucleotides contains
Mountain range; when plates are pushed together, they cause rock to push up. After thousands of years, a mountain will be formed after the molten rock cools.
Answer:
false
Explanation:
Mars has no rings. the only planets that do are Jupiter, Saturn, Neptune, and Uranus