The use of herbs is often a part of acupuncture treatment.​

Mass of water is smething that you froma drug test or sum girl ya

Engineers have contribute to society in many ways like making the technology we use today or any type of power energy material

Spontaneity tell us the direction of the reaction, but not how fast it goes. gibbs free energy brings together enthalpy, entropy and temperature in one easy formula. g = h - ts. and, finally the sign of delta g is always negative for a spontaneous reaction.