Which of the following is an example of quantitative data?

a- each rat in the study has brown and white spots.

b- each rat in the study has a tail that is 25 cm long.

c- each rat in the study chose to eat organic food.

d- eat rat in the study chose to sleep close to other rats.

In which of these cases are the two wave points considered to be in phase with each other?

Identify the electromagnets with poles that are reversed from the electromagnet shown above

Diffraction is when light is bent around obstructions. which of the these observation about clouds would indicate diffraction? a) after rain storms, you can sometimes see rainbows. b) clouds are white or gray and cannot be seen through. c) on a cloudy day, the temperature tends to be cooler than a sunny day. d) the edges of dark clouds appear lighter. this