Which statement describes histogram?

a. it shows a line of best fit.

b. it shows data as proportions of a whole.

c. it shows a frequency distribution.

d. it shows how an independent variable affects a dependent variable.

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 of the following is not a part of the respiratory system? a. pharynx b. trachea c. pancreas d. larynx

Observations show that interstellar clouds can have almost any shape and