What is the source of energy? A source of energy is one which provides an adequate amount of energy in a convenient form over a long period. What are the needs for energy? Making food, transportation,...
1. Rule of sign solving is known as VBODMAS: V stands for "Vinculum" or "Bar" B stands for "Bracket" (order as small,medium,big) O stands for "Of" D stands for "Divisibility" M stands for "multiplication" A...