Which is the best description of a balanced stance

Groups of organs that work together to complete a process in the body are called: a. cells b. tissues c. nerves d. systems

Which statement correctly describes a step-up transformer? a. it increases the amount of electric energy available. b. it increases the voltage of an electric current. c. it changes direct current into alternating current. d. it has more loops of wire in its primary coil.

Which changes would result in a decrease in the gravitational force btween two objects? check all that apply