20 liter of helium at pressure of 150 atm and temp of 27 degree C used to fill ballon

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 term is missing from the central region that describes hypotheses, theories, and laws? popular predictable mathematical falsifiable

Compare and contrast an assemblage and a pollen fingerprint by defying both and giving examples of each from the chapter.