Question

a front refers to
the location where two air masses meet.
an air mass that extends across a large area.
a large body of air moved by global wind patterns.
a place on earths surface affected by uneven heating.

Explanation:

A front is defined as the boundary or location where two air masses of different temperatures, humidities, and densities meet. This meeting often leads to weather changes.

Answer:

the location where two air masses meet.