Clean coal, though expensive, creates virtually no environmental impact.

a.)true
b.)false

Which statements are accurate about snow flakes

Find the equation of the line passing through the point (–1, 5) and perpendicular to the line 3x + y = 4.

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