Answer asap plz this is hard for me

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.

Which is the correct symbol for an isotope of iodine with 53 protons and 78 neutrons?

The combining of light nuclei is called blank. blank as in not actually blank. you know what im tryin to say.