Identify the main renewable energy resources

Does any one know what real love is and would anyone be willing to share it with me?

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?

Aria drove to the store, did some shopping, and then came home. during maria's trip, when was her displacement equal to zero?