The type of current in your home is mostly alternating current. So for the given question, the correct option is option "B". Direct current is produced by the batteries. Alternating current is the current that changes direction after a certain period of time. The voltage level also gets reversed due to this reason. Alternating current is mainly produced by using an alternator. It is specially created generator for the sole purpose of creating alternating current. Homes and offices mostly use alternating current to suffice their needs.
Answer: C
Explanation:
The United States was dependant upon the consumption of foreign oil specifically that from the Middle East.
Oleg, (died c. 912), semilegendary Viking (Varangian) leader who became prince of Kiev and is considered to be the founder of the Kievan Rus state.
Answer:
Sumer was responsible for many inventions and important contributions to inventions of both the time and today. However, Sumerian city-states often fought with each other. They went to war for glory and more territory. This power - hungry people build walls to protect from invading armies looking to loot, pillage, and grow wealthy. The walls surrounded each city - state, closing them off from the rest of Mesopotamia. This lead to isolation, and more war. The city - states were constantly in a state of unrest.
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