Where does an air mass gets its characteristics? A. From the air close to the sun and then it moves down to earth B. From where it forms over the Earth and then it rises

C. From the air in the stratosphere​

C. From the air in the stratosphere

Explanation:

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i'm hoping this is like a multiple answer question. if it is then it would be, the location of the plants and also the height of the plants since one she wants to know where in her garden the chamomile grows best. but also to see which plants grew better in the location she also has to measure the plant itself. (if you can only choose one answer than it would be c).