Which of the following could occur as a result of decreasing the heat energy of a gas?
A. condensation
B. evaporation
C. radiation
D. vaporization

Neils bohr believed that electrons orbited the nucleus in different energy levels, based on strong support from

Match the mixture with the substance// i really need on this guys (it’s a pic btw)

One way that radioactive waste is treated is by burying it in repositories. the repositories are found only in states with very low populations. true or false? a. trueb. false(also i meant to put high school but it put down middle school instead)