If two 9 V batteries were connected in series (negative to positive) and a third battery was added in series (positive to negative) the total voltage would be

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 not one of the major climate zones? question 3 options: rain forest polar tropical temperate

Which of the following are considered noble gases? a. bromine b. neon c. argon d. chlorine