15.A vessel containing a liquid 'L' is balanced by a solid 'S' as shown below. Now, two identical pieces of cork (which float on the liquid) are placed gently, one on the solid and one in the liquid. What will happen to the balance?

The metal wire in an incandescent lightbulb glows when the light is switched on and stops glowing when it is switched off. this simple process iswhich kind of a change? a.a physical changeb. a chemical changec. a nuclear changed. an ionic change

Ryan is examining the energy of the particles in a bar of gold. what is ryan most likely studying?

The three classes of rocks are sedimentary, metamorphic, and igneous. how are rocks classified into one of these three groups?