The energy of a UV wave from the sun becomes part of the internal energy
of the sidewalk causing the sidewalk to heat up, then the wave's energy
was *
a) absorbed
b) transmittted
c) reflected

3. on your graph, the data points between the black squares are data for elements with atomic numbers 3 through 9. locate these elements on your periodic table. what term or description would you use to identify these elements with respect to the periodic table?

Curious carl calculated the density of a cube to be 4.50 g/cm3. what is the density of the cube in g/l?

A26 cm object is 18 cm in front of a plane mirror. a ray of light strikes the object and is reflected off the mirror at a 42-degree angle. what is the angle of reflection? degrees what type of image is formed? what is the size of the image? cm