A change in means that a chemical reaction has occurred. A. the energy and mass

B. the kinds of atoms involved

C. the properties and identity of the reacting substances

D. the energy and kinds of atoms of the reacting substances

What is the density of the black hole

Predict the products butane (c4h10) + oxygen —>

Scientific evidence tells us that the cause of earths four season is the tilt of earth as it revolves around the sun. the student is instructed to illustrate this information in a science notebook. how will the student illiterate winter in the northern hemisphere?