Brainliest !
use the weather map to answer the question. (you can see it below)

what do the blue and red lines indicate?

a cold front is moving to the north and west before a warm front moves through.
a cold front is moving to the south and east before a warm front moves through.
a warm front is moving to the north and east before a cold front moves through.
a warm front is moving to the south and west before a cold front moves through.