Low-pressure systems exist around degrees latitude, whereas high-pressure systems are in the subtropics and at the poles

Your answer is d. silli hope this ! : ) i left an explanation down below if you need it: a sill forms when hot magma squeezes between layers of rock to form a hardened sheet of rock. a sill is basically a tabular sheet intrusion between old layers of sedimentary rock, volcanic beds, or in the direction of foliation inherent in metamorphic rock. the word sill means a concordant intrusive sheet.

There is no map could you put up a picture of the map and i will try to .