Whick type of front was located just south of new york city in december 9

According to picture show belew: warm front was located just south of New York City in December 9.
In the south there is high pressure and  warm fronts are often formed with high pressure systems, where warm air is pressed close to the ground.
A warm front is the transition zone where a warm air replacing a cold air mass. Warm fronts usually move from southwest to northeast.

Only one reactant yields 2 or more products. meaning you will only have 1 product and it will break down into 2 or more products. eg. h2o -> h2 + o2