Which staement best describes air pressure at high altitudes? a) air pressure descreases as altitude increases b) air pressure does not change as altitude in creasesc) it is impossible to accurately measure air pressure at high altitudesd) air pressure increases as altitude increases

A__ is two or more substances that are together in the same place but are not chemically combined

Acrystal that absorvd water from air is (blank)a. aqueousb. homogenousc. hygroscopicd. efflorescent

What type of energy do chemical bonds have? what type of energy is it converted to during chemical reactions? question 15 options: chemical bonds have kinetic energy, which is converted to potential energy during chemical reactions. chemical bonds have electric energy, which is converted to potential energy during chemical reactions. chemical bonds have heat energy, which is converted to kinetic energy during chemical reactions. chemical bonds have potential energy, which is converted to heat energy during chemical reactions.