What is kind of a stone?

Can gamma rays and xrays pass through the human body? What happens when you turn off the light what happened to the electricity? Why is the hearing affected while coming down from a slope? What is the declining order of importance for the various energy sources? Why did the government do after the accident at the nuclear reactor on three mile island? What did E MC2 effect? What keeps a probe moving after the rocket no longer pushes it? How do we see different colors in a prism when it reflects? Why do amphitheaters amplify sound and have better acoustics and Is a sound heard differently regarding volume and pitch according to the position in the seating area of the amphitheater? If you lift a box and then you start to walk at a constant velocity when are you working? How does air resistance affect javelin? Why graphite is good conductor of heat? What impulse occurs when an average force of 10 N is exerted on a cart for 2.5 s? When particles occupy the greatest amount of space they are a? How do you determine virtual and real images? What refers to the amount of space on a desk or table that a computer uses? An object is in stable equilibrium only when? What energy conversion takes place in a transmitting and receiving antenna? Why is air cooler in the mountains than the plains? What is the decimal in 1 ounce?

What is kind of a stone?