2. which of the following choices best describes an object's velocity? a. the bus traveled at 50 mph for 20 minutes. b. the airplane traveled southwest at 280 mph. c. the car went from 35 mph to 45 mph. d. the train made several stops, with an average rate of 57 mph.

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 statement is false

Anumber of conditions are required for a population to be in hardy-weinberg equilibrium. which of the following are correct descriptions of the conditions that must be met? check all that apply. a. no mutations b. random mating c. small population d. migration or gene flow e. occurrence of mutations f. no natural selection