The speed of light is 3.00×108m/s. how long does it take for light to travel from earth to the moon and back again?

Read these sentences from the text. near the equator, the tropics receive the most rain on a consistent basis. as a result, the fresh water falling into the ocean decrease the salinity of the surface water in that region. [. .] . . as the salt content of sea water increases, so does its density. what can you infer about how rain affects the density of surface water near the equator?

Write the symbol for every chemical element that has atomic number greater than 3 and atomic mass less than 12.0 u.

Which statement best describes the he properties of iconic compounds ?