Sunlight passing through a window opening creates a distinct window-shaped block of light inside a room. why does diffraction not cause the window-shaped light to spread out?

What causes eclipses? check all that apply. earth's rotation on its axis moon's shadow covering the sun earth's shadow covering the moon earth's orbit and moon's orbit occasionally aligning the moon and sun's gravity pulling in the same direction

In the first stage of the nuclear fuel cycle the spent fuel must be transported, processed, and disposed of properly. true or false

3. in the fruit fly, recessive mutation brown, b, causes brown color of the eye and absence of red pigment. recessive mutation p of another independent gene causes purple color of the eye and absence of brown pigment. the cross of a brown-eyed female and purple-eyed male produced wild type eyes. what will be the colors and their ratio in f2?