Respuesta :
Blue triangles represent a cold front advancing in the direction of the triangles, as cooler air displaces warmer air upwards.
so the answer is cold front.
so the answer is cold front.
Answer - B. a cold front
*Explanation*
Blue triangles represent a cold front advancing in the direction of the triangles, as cooler air displaces warmer air upwards. Red semicircles are a warm front, where warmer air pushes the cooler air away.
