What model is where the EArth is in the middle of our universe? Heliocentric Model Moon Phases oc Geocentric Model d Tidal phases

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 the comparisons between nature and packingtown that appears on pages 81 and 82 answer

This is for my 8th grade science class, i really don’t understand. can someone me? , lol.