Answer:
C
Explanation:
Density is equal to the ratio of mass and volume. Mass is the amount of matter or substance of a body and volume is the space occupied by it. Density is the unit amount of matter or substance contained in unit volume.
Answer:
D. Cell phones allowed people to be in constant contact.
Answer:
The answer is stated below.
Explanation:
Industrial revolution started in the eighteenth century when the major source of fuel was provided by traditional fuel (coal) but in the latter part of the century, technological innovations example steam machines, revolutionized the industries. Not only new technologies were discovered but the old one are forming the base for the next one which are more improved. The process of globalization was started which gave the market necessary for the rise of industries.
Answer:
The early Islamic Empire was really good in military conquest.
Explanation:
Islam spread through military conquest, trade, pilgrimage, and missionaries. Arab Muslim forces conquered vast territories and built imperial structures over time. Most of the significant expansion occurred during the reign of the Rashidun from 632 to 661 CE, which was the reign of the first four successors of Muhammad. The caliphate, a new Islamic political structure- evolved and became more sophisticated during the Umayyad and Abbasid caliphates.
Over a period of a few hundred years, Islam spread from its place of origin in the Arabian Peninsula all the way to modern Spain in the west and northern India in the east.
