Prompt how does melanin provide protection against skin cancer? Examine and annotate this screenshot from the sim then write an explanation of how this evidence helps answer the question use the following words in you explanation

.absorb
.energy
.light

Which is not a source of noise pollution? a)airplanes b)acid rain c)machines d)cars

Astudent is given an assignment to demonstrate diffraction. he takes a photograph of a straw in a glass of water. the straw appears bent at the water level. which best describes this example? a) this is a good example of diffraction. b) this is an example of dispersion and not diffraction. c) this is an example of refraction and not diffraction. d) this is an example of reflection and not diffraction.

Explain how the energy of rubber ball is tranforned as it roll down a ramp. give evidence that the energy of the og the ball remains the same at all points on the ramp