The division of the United States into standard time zones was first done by which group?
A. The state governmente
B. The United Nations
C. The railroads
D. The scientific community

What is the chemical symbol of the element located in the 5th period that naturally occurs as a diatomic solid?

Why did joining the american cause have the potential to alienate lafayette and disgrace his family

Before the invention of the loom in 1785, textile manufacturing was: a) regulated under the guild system. b) performed by children working in factories. c) produced in rural cottages under a putting-out system. d) conducted by british colonists overseas.