Answer:
How air masses changed the weather Weather can be changed or affected by many factors but air masses is most important factor to controls the weather. We can easily understand about weather changes from air masses by its name.Maritime air masses originate from the Ocean so it produce moist weather.
Explanation:
The answer is D) it provided irrigation for farming.
The Equator is the imaginary line that encircles the Earth and is equidistant from the North and South Poles.
The correct answer is the third option: "A nation that has made major social, political, and economic progress."