Explain what are the 4 types of masses of air in the planet

The four categories for air masses: arctic, tropical, polar and equatorial. Maritime air masses form over water and are humid. Continental air masses form over land and are dry

- "the most famous structure by far at saqqara is djoser's step pyramid. dating from the 3rd dynasty (2667—2448 bc), it was the first all-stone complex ever built on earth."

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the correct option is a

explanation:

the movement mainly consisted of white farmers from the south who sought the relieve of farmers from their hardship. hope this !

by kd