The answer is the second one: Many Mongolians are pastoral nomads who raise livestock for a living.
It comes from methane in their clouds
The North Atlantic Drift is a very powerful ocean current located in the North Atlantic Ocean. It is an extension of the Gulf Current. This current is warm, and as it moves towards the northeast, alongside the western coastline of Europe, it brings in much warmer and wetter climate. It makes the climate int he coastal regions much more stable, mild if you will, with pleasant summers, and mild winters, with high amounts of precipitation throughout the year.
If we compare it to other currents on the same latitudes, like the California Current, it is much different. The California Current is moving from the North Pacific, southwards alongside the western coats of North America. It is a clod current, and brings in colder and dryer weather in the parts that it affects.
The correct answer is D. decreased energy consumption.
This measure is implemented for few reasons:
1. The fossil fuels are expendable, so they have to be managed carefully.
2. The economic power of the people will benefit.
3. Decreasing the pollution.
4. Dependence on fossil fuels, thus giving more time and space for developing alternative fuels, like the algae fuel for example...
C: the introduction of the sweet potato to the pacific world
