Speed is the distance travelled by an object whereas velocity is distance travelled by an object per unit time in a given direction.
Difference: Potential Energy<span> Is E</span>nergy<span> Stored In An Object Due To Its Position Or Arrangement. </span>Kinetic Energy<span> Is E</span>nergy O<span>f An Object Due To Its Movement, Its Motion.
Alike : </span><span>They Are Both Forms Of Mechanical Energy As Both Depend Only On Geometrical And Temporal Quantities: Position, Time And Speed, Apart The Extensive Measurement Of The Mass.</span>
The answers would be:
Terrae
Deep areas of cooled lava
Here is more about your question:
<u>Terrae </u>is also known as the highlands of the moon's surface. The highlands are lighter in color than the other areas of the moon. They are mostly made up of feldspar. It is lighter in color because it reflects most of the light. These features formed as the lunar ocean cooled down.
<u>Maria </u>on the other hand, are the darker features of the moon. The singular form is Mare. These are areas of cooled lava that seeped out of the moon's interior as meteors hit it. They are mostly made up of basalt. These areas are dark, solid and flat.