Select the item that matches. Will give brainliest for correct answer nitrogen-
oxygen
reflects radio waves
amount of radiation reflected
amount of solar radiation reaching ground
carbon dioxide
absorbs ultraviolet rays
Answer choices for all of these are - ionosphere, ozonosphere, 21% of atmosphere, needed for photosynthesis, 40%, and 78% of atmosphere.

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?

If vx = 7.00 units and vy = -7.60 units, determine the magnitude of v⃗ . determine the direction of v⃗ .

True or false graphs must include scales that increase by the same amount