What is science ???

answer please

Which numberline shows the solution to n -3

On the map below, which of the following rivers is identified by blue? the huang he river the yangtze river the han river the naktong river

Which revelation resulted from the observation of the spectrum of different galaxies? a. there were more galaxies whose spectrum was blueshifted b. there were no galaxies whose spectrum was redshifted c. there were more galaxies whose spectrum was redshifted d. there were no galaxies whose spectrum was blueshifted