Valence electrons are the electron on the outer energy level and they are important because they tell if that element is compatable
Answer:
The energy an object had due to its motion. What factors affect an objects kinetic energy and potential energy? The kinetic energy of an object depends on both its mass and its speed. Kinetic energy increased as mass and speed are increased.
The two differences you see when comparing the four chambers of the heart is that the arteries have a thicker wall and veins have thin walls and that the arteries carry oxygenated blood away from the heart which means they get more pressure than veins.
