Wnen you set something down on the ground what kind of work are your arms doing

The law of conservation of energy states that energy cannot be created or , energy can be from one substance to another. the first blank is ' destroyed ' and for the second blank is ' transferred '

The respiratory system removes oxygen and water from the body. select the best answer from the choices provided t f

Acompound machine is also called a machine. a. force b. simple c. complex d. directional