Which of the following may occur at a transform plate boundary? 1)formation of new oceanic crust 2)mountain building 3)volcanoes 4)earthquakes

Correct 4) Earthquakes

Transform boundary are the places where the plates slide past each other. As the plates on either side of transform boundary are sliding over each other and they are not tearing or pressing each other. It is not marked by any spectacular surface. Their sliding motion over each other are known to cause the earthquakes.

Hence, the correct answer would be option 4.

the answer is c.) there is a warm front in region a and a stationary front in region b.