The dependent variable measured was the (a. initial momentums b. final momentums c. final velocity)

One day, after pulling down your window shade, you notice that sunlight is passing through a pinhole in the shade and making a small patch of light on the far wall. you see that the patch of light seems to be a circular diffraction pattern. it appears that the central maximum is about 1 cm across and you estimate that the distance from the window shade to the wall is about 3 m. what is (a) the average wavelength of sunlight? (b) the diameter of the pinhole?

Pls pls pls pls ! describe, in your own words, how you found the epicenter of the earthquake.

The passage that directs air to the lungs is called a. diaphragm. b. larynx. c. bronchi. d. pharynx.