All elements are made of "atoms", and an atom is made up from 3 basic particles: Electrons are particles with a negative charge :)
The answer would be d.citric acid cycle
Is this a true or false question? if so, the answer would be false because adrenaline increases your heart rate, evolution is how things grow and change over periods of time.
According to the law of conservation of energy, energy is not lost, although kinetic energy can be converted into thermal energy by friction. hope i helped <3