In a water solution, how do acids differ from bases? a. acids form hydrogen ions (h+), while bases form hydroxide ions (oh–). b. acids turn litmus blue, while bases turn litmus red. c. acids form salts, but bases do not. d. hydrogen ions (h+) remain dissolved, but hydroxide ions (oh–) do not.

Which of the following would not be taken into consideration when describing the quality of a sound

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.

Acompound machine is also called a machine. a. force b. simple c. complex d. directional