Which environmental concern is most associated with burning fossil fuels?

Why is it economically necessary for the east germans to build berlin wall

This cartoon appeared in 1916. the topic of the cartoon isa)the reason for the start of world war i.b)the success of us submarines in world war i.c)the military alliance between germany and mexico.d)the attitude in the us towards submarine warfare in world 

The vestibular sense originates in the outer ear select the best answer from the choices provided