Answer:
American and Canadian railroads begin using four continental time zones to end the confusion of dealing with thousands of local times.
Explanation:
Answer:
Scientists believe planets begin to form when a dense cloud of dust and gas, called a nebula, spins around a newly formed star. Gradually, gravity causes the bits of matter in the nebula to clump together. Slowly, these clumps accumulate and grow. Eventually, these clumps become planets.
Explanation:
B—
In early civilizations, women were expected to be submissive and were seen as less valuable than men. They were confined to the house and were expected to tend to the home, do house chores, and take care of children. She mostly likely couldn’t get a profession, a formal education, own property, or take part in legal matters such as voting.
