Alab technician mixed a 540 ml solution of water and alcohol. if 3% of the solution is alcohol, how many milliliters of alcohol were used, and how many milliliters of water were used?

Classify each statement about effective nuclear charge, zeff, as true or false.

Which sentence best describes the formation of igneous rock? a- lava on the surface dries up and makes arock b_melted rocks cools and forms crystals c_rocks under tremendous heat and pressure d_magma is melted rock underground

Which best describes how johannes kepler developed his laws of planetary motion