Which scenarios are examples of physical changes? Select three options. A.)Wood is burned in a campfire and is turned into ash and smoke.
B.)Silicon is cut into tiny pieces for computer chips.
C.)Lead is melted to form pellets.
D.)Liquid water freezes to form ice.
E.)Yeast turns sugar into energy, water, and carbon dioxide gas.

Moon effect. some people believe that the moon controls their activities. if the moon moves from being directly on the opposite side of earth from you to being directly overhead, by what percentage does (a) the moon's gravitational pull on you increase and (b) your weight (as measured on a scale) decrease? assume that the earth–moon (center-to-center) distance is 3.82 × 10^8 m, earth's radius is 6.37 × 10^6 m, moon's mass is 7.36 × 10^22 kg, and earth's mass is 5.98 × 10^24 kg.

Abowling ball rolling down the lane toward the pins has gravitational potential energy. a. no b. a lot of c. a little

Acar jack with a mechanical advantage of 6 needs to produce an output force of 600 n to raise a car. what input force is required? 6 n 100 n 600 n 3,600 n