When two air masses meet, what happens?

"When two large air masses meet, the boundary that separates them is called a front."

Explanation:

When 2 masses of air meet, they don't mix. The warm air rises and the cool air lowers. This creates a front.

Explanation:

I like weather.

each of the 46 original chromosomes splits into two daughter chromosomes, so there are two sets of 46 daughter chromosomes that end up in each cell. human cells have 46 chromosomes. each chromosome consists of a pair of identical chromatids attached together by a structure called a centromere.