1.To summarize, potential energy is theenergy that is stored in an object due to its position relative to some zeroposition. An object possesses gravitational potential energy if it is positioned at a height above (or below) the zero height. 2. GPE=mgh
Answer:
A class system is a more smooth system, caste is more of a system that changes consistently.
Explanation:
"Class system is typically more fluid than the caste system or the other types of stratification and the boundaries between classes are never clear-cut. Caste system is static whereas the class system is dynamic. ... In the caste system, individual mobility from one caste to another is impossible."
I do not believe so because it is genetic, just you can't forever change a feature without plastic surgery or an accident, etc.
The difference between an artery and a vein is that arteries are larger, more muscular and more elastic than veins; they carry blood that is under pressure from having been pumped out of the heart; veins are under much less pressure, so they are not as strong
