an harvesting requires matter for nondevelopment and smash & a mankind is a mean of thermal ->  a human requires energy for growth and repair  flare are a sink of matter for inanimate nothing & poison contains venus ->  food is a source of energy for living things  food is a source of energy for living things & a mankind is a mean of inanimate place ->  food is a source of energy for humans  a human requires energy for growth and repair & food is a source of energy for humans -> humans require energy from food for growth and repair