Examine the pattern of the wave shown. what is true about the amplitude and wavelength of the wave when the pattern changes? a) both the amplitude and wavelength of the wave increase. b) both the amplitude and wavelength of the wave decrease. c) the amplitude of the wave increases while the wavelength decreases. d) the amplitude of the wave decreases while the wavelength increases.

The characteristic of two different types of reactions are shown below. reaction a: electrons are gained by the atoms of an element. reaction b: protons are lost by the atom of and element. which statement is true about the atoms of the elements that participate in the two reactions? a: their identity changes in both reaction a and b. b: their identity changes in reaction a but not b. c: their identity changes in reaction b but not a. d: their identity remains the same.

Categorize them by metal, nonmetal, in periodic tableductilenon-ductilemalleableoften gain electrons easilygood conductorpoor conductorcan be liquidselements

8) warming your hands by a fire is an example if which heat transfer? a. conduction b. convection c. radiation d. none of these