Answer:
All of the lines of longitude to the west of the prime meridian until 180 degrees are in the western hemisphere. Ninety degrees west is a line that passes through North America, including Lake Superior and the Yucatan Peninsula.
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Russia, Mongolia and Kazakhstan.
Answer: GULF STREAM
Explanation: Gulf stream is the warm ocean current from the Gulf of Mexico, that flows northeastwards along the coast of North America to the Grand Banks where it breaks eastwards towards the Atlantic Ocean and helps to maintain warm temperatures along the western coasts of the British Isles.
They use maps and satellites.
