Answer:
This is so simple. Read your lesson. If you cheat like this you'll never get through the rest of the course.
Explanation:
The force pushing against an area or surface
Answer:
Option (B).
Explanation:
Heart is the main pumping organ of the body. The human heart is divided into four chambers that are right atria, right ventricles, left atria and left ventricles.
The left and right ventricles can easily be distinguished on the basis of their thickness. The right ventricle is less thicker than left ventricle. The thickness of right ventricle is 9mm whereas the thickness of left ventricle is around 40mm.
Thus, the correct answer is option (B).
According to the second law of thermodynamics, energy is never 100% efficient because some of the energy disperses as heat.
