You are given two solid materials one that is organic and one that is not organic. describe three tests you could perform to you decide which is which.

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

Ablock having mass m slides down an inclined plane. the force of friction between the block and the inclined plane is f, the block's weight is m g, and the normal force is n. (a) draw a free – body force diagram showing the forces acting on the block. (b) write down all relevant newton’s equations for a given situation.

Ascientific blank must be testable and capable of being proven false?