¿Cómo se transforma la energía por eso uso de sistemas amortiguados en una bicicleta?

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

If a substance is in the gas phase, which of qualities of the gas will stay constant? a: volume b: mass c: shape d: position of particles

In order of decreasing light-transmitting capabilities of materials, which is the correct sequence? a. transparent -> translucent -> opaque b. opaque -> transparent -> translucent c. opaque -> translucent -> transparent d. translucent -> transparent -> opaque