If someone answers these two thank u so much ill give brainliest :)

Write a paragraph at least 10 sentences explaining how rocks are used today in society

Three cards with holes are arranged in a straight line. a light is shined through the first card’s hole and travels through all three cards. what does this tell you about light rays? a) that light is reflected b) that light is refractive c) that light travels in a straight line d) that light does not travel in a straight line

What is a metal replacement reaction