Air masses move from areas with high pressure (such as the poles of the Earth) to areas with low pressure (the equator). The temperature and moisture of an air mass depend on where it is formed. A maritime tropical air mass is and .

Warm and moist.

Explanation:

Airmass is a large body of air it covers hundreds of meters. It moves due to global air circulation. It changes the weather, temperatures, and humidity of the air. Also creates weather disturbances. A maritime tropical air mass forms near the poles and is a mass of warm, moist, and unstable air. It originates in subtropics of the pacific ocean.

Amath expression is a collection of one or more terms, which are separated by the signs ( + , - , x , / ).example :   8+b8+b  or  a−3a−3in algebra, an equation is a mathematical statement with two expressions where, each expression is separated by an equal (=) sign. variables can be present on both the sides of the equality (=) sign and we use letters to denote such variables.example 1:   x=4+2x=4+2  , [here, we can observe that the variable is present only on one side of the equation].example 2:   2x+3=x+42x+3=x+4  , [here, we can observe that the variables are present on both side of the equation].

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