What causes the tail of a comet? a.) the heat from the sun b.) earths gravity c.) the suns gravity d.) friction in outer space

Ifound this information on google “yes. they have a mouth and brain at one end and an anus at the opposite end. what characteristics distinguish an annelid from other worms? annelids have segmented bodies and a coelem which is a tube filled with fluid and contains most of the organs.“ i hope it you