Your purchase a balloon in San Francisco( at sea level), then drive home to Carson City (4800ft). Which of the following describes the change in volume of the balloon?
A) the balloon volume will increase
B) the balloon volume will decrease
C) the balloon volume will stay the same
D) the balloon will lose all of the air inside of it

Use examples from the article to explain one positive and one negative effect that chemistry has had on society.

Can someone me with 3 and 4 plz. this is for masteries test.

Which theory was contradicted by experiments with the photoelectric effect? light spreads out after it passes through a small opening. as soon as light strikes metal, electrons will be ejected. visible light, regardless of color, will cause the ejection of electrons when striking metal. the kinetic energy of ejected electrons depends on the frequency of light that strikes the metal.