This is a lens<span> in which both surfaces are curved so that a beam of light passing through it is brought to a point or focus.hope this helps</span>
Check the current weather map for 2 different times, and see where the center of the storm is. That tells you what direction it's moving. With its speed and direction, you have its velocity.
The best answer is D. field lines should always be crossing each other.
1. Delta, is formed by constructive erosion.
Answer:
When the velocity is set to a constant value, the displacement increases with time but the acceleration remains zero
Explanation:
plato