The electromagnetic spectrum is divided into regions by Group of answer choices a. wavelengths and frequencies b. the way they are used c. speed d. colors

Spend time observing or thinking about events that involve matter and energy. which events can you explain? which events can’t you explain?

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.

Select the correct answer. what does the process of natural selection involve?