Which of the following is not an example of a chemical change?

Non renewable resources like petroleum eventually

What is the common name for the compound shown here? enter the common name of the compound shown?

What energy conversion occurs when a sling shot is used to shoot a rock across the room? (2 points) question 2 options: 1) stored mechanical energy is converted to mechanical energy. 2) stored mechanical energy is converted to radiant energy. 3) gravitational energy is converted to radiant energy. 4) gravitational energy is converted to mechanical energy.