A heater in a classroom provides heat, but the temperature in the room stays the same why

Why does the sun appear to be the brightest star in the sky? a- its apparent brightness is much greater than other stars. b- it burns more gas, making it brighter than any other star. c- it is the largest star in the galaxy, so it is the brightest star. d- its relative distance to earth is closer than the other stars.

What human activity increases beach erosion?

Identify arrows pointing to bonding electrons. done h-0-0-h ) intro