C) the wind. It's also cleaner, too.
Answer:
Stephen Hawking
Explanation:
First man who came to mind, he has made many discoveries about black holes and the Universe and has a famous book.
The spread of Islam into the Maghreb is an example of Arab invasion of North Africa. The Arabs send Muslim army to Maghreb (modern morocco) to battle against Byzantines and allies, and finally conquer most of the North Africa were many Berbers (locals of Maghreb) join the Muslim army. After Arabs gain more power in the region, the Berbers are now ready to adopt and convert to Islam as well as the Arabic culture.
Basic Answer: In the late 1800s, workers organized unions to solve their problems. Their problems were low wages and unsafe working conditions. ... Exemplary Answer: In the late 1800s, workers organized unions to solve their problems. Their problems were low wages and unsafe working conditions.
