Answer: B. differentiation
Explanation:
The time required for the moon to orbit around the earth is slightly longer than the earth rotation on its axis. The moon rotates in the same direction that the earth rotates on its axis. Thus, the moon's full rotation requires another 50min or 25 minutes per crossing of the earth's meridian.
Canberra became Australia's federal capital in 1928!! :)
Answer:
A. controlling worldwide oil prices
Explanation:
OPEC stands for The Organization of the Petroleum Exporting Countries. It is a huge entity that controls the prices of oil internationally. It has heavy influence over politics as for example, if OPEC supported Saudi Arabia and Iran was invading Saudi Arabia, it would raise oil prices heavily for Iran and its allies.
