Answer:
True
Explanation:
As a matter of geological record, the Earth's magnetic field has undergone numerous reversals of polarity. We can see this in the magnetic patterns found in volcanic rocks, especially those recovered from the ocean floors. In the last 10 million years, there have been, on average, 4 or 5 reversals per million years.
Surface tension "is
<span> caused by cohesion between water molecules on the surface" It is surface tension that helps you avoid spilling a glass of water if a bit moves over the rim. </span>
It's B because when the surface moves the wind forces
