Question

what type of front is depicted as triangles on a map?
occluded front cold front
warm front stationary front

Explanation:

In meteorology (a subfield of Natural Science, specifically Geography or Physics - related to atmospheric science), cold fronts are represented by triangles on weather maps. Warm fronts use semicircles, occluded fronts use a combination, and stationary fronts use alternating semicircles and triangles.

Answer:

B. Cold front