How could a student test the effect of removing heat from a gas that is stored in a sealed container? what must occur in order for matter to change states?

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?

Which of the following is not a characteristic of s waves?

+= + + balance the equation on coefficients, ex. 1,1,1