Answer:
A.
Explanation:
All about mass and velocity... So if they all have the same mass, you're looking for which has the most velocity to find which has the greatest kinetic energy.
Answer:
chemical change occur when a substance combines with another to form a new substance.
Explanation:
hope this helps ;)
The answer is A. It's mainly just a hypothesis that there was once a landmass that existed 300-200 million years ago in which all continents were joined.
The nucleus while large has a small ratio of mass when dealing with atoms, they are very spread out and are mostly solid with a blocky shape.