What is the difference between climate change and weather​

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

What is the driving force of evolution?