What effects can occur when heat energy is added to a system?

select all that apply.

increase in temperature
decrease in temperature
change of state
phase change

An equinox occurs when a. neither end of earth's axis is tilted toward or away from the sun. b. the north end of earth's axis is tilted away from the sun. c. the north end of earth's axis is tilted toward the sun. d. earth's axis is parallel to the sun's rays. select the best answer from the choices provided a b c d

Wavelength,frequency,and energy are related.what happens to a wave as it’s wavelength gets shorter?

The difference between a red shift and a blue shift has to do with wavelength frequency. t or f