The correct answer is b-) an mT air mass.
MT (Maritime Tropical) air masses are warm and moist air masses. They originate in the Gulf of Mexico, where heat and moisture is transferred on the overlaying air. They move towards north and transport warm and moist air to the USA's southeast and alongside the Atlantic coast, thus increasing the precipitation.
B. Planets closer to the Sun orbit it faster.
Copernicus believed planets moved at uniform speeds around the Sun and were affected by retrograde motion.
Answer:
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