Answer:
if probably,it might be true...
Explanation:
crust are mixture of chemical substances of the earth surface like rock's or sima meaning silica and magnesium,sial meaning silica and aluminum....
A) True
Labor unions were on the rise in the 1920’s aka roaring 20’s
The statement "Throughout much of the nineteenth century, Westerners' concept of the universe was based on the ideas of Isaac Newton" is True.Sir Isaac Newton was an English physicist and mathematician. He is most famous for his law of gravity. He was also a key driver in the scientific revolution of the 17th century. Amongst other theories, Newton postulated that the sun kept the planets in orbit by its gravitational pull. He also stated that the moon orbited around the earth.
