Answer:
<u>Over the last century, the average surface temperature of the Earth has increased by about 1.0o F.</u>
Explanation:
hope this helps you!!
We are asked to know the reason why magnetic dipole can be written as U = -m *B. The reason for this was that the negative sign is just showing or indicating the direction of the force. If it if negative, it means that the work done is opposite to the force field.
Change in position of object = Displacment
