PLSS HELP NOWW(01.01 LC) Which is an example of the force of attraction between two objects that have mass? (2 points) a Magnetism b Gravity c Solar energy d Electricity

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.

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

Compare the horizontal displacement of the two balls as they travel to the ground. what do you observe?