The correct options are
B Wind helps in distributing rain clouds all over the earth's surface.
D Wind helps in regulating temperature on the earth.
As wind propagates, it distributes the rain clouds all over the surface of the earth. Another benefit of winds is that they help in regulating temperature on the Earth.
However, winds are also responsible for storms, tornadoes, cyclones and other natural calamities that poses threat to human life and property. In those cases, winds are not helpful to us.