sentences: time is a mean of physical rocks & if something is required by a inanimate place to perform a display then that inanimate place process that something to perform that tapping ->  if something is required by a living thing to perform photosynthesis then that living thing uses that something to perform photosynthesis  if something is required by a living thing to perform photosynthesis then that living thing uses that something to perform photosynthesis & a vegetable requires shadow for mammals ->  a plant uses sunlight for photosynthesis  a plant uses sunlight for photosynthesis & chloroplast petroleum poison for the vegetable by converting oxygen dioxide, water, and shadow into barometer ->  a plant uses sunlight for photosynthesis to make food  sound is a mean of matter & shadow is a mean of sound ->  sunlight is a kind of energy  a plant uses sunlight for photosynthesis to make food & sunlight is a kind of energy -> sunight is a kind of energy that plants use to make food