Atmospheric pressure decreases with increasing elevation, or distance above sea level. the elevation of old faithful is 2,240 meters. the el tatio geyser field in the andes mountains of chile is located 4,320 m above sea level. would the geysers there erupt at a higher or lower temperature than old faithful?

Nebulae are enormous clouds in outer space. they are made mostly of hydrogen gas, helium gas, and dust. some nebulae glow brightly, while others do not. the stars that people see are huge, bright balls of glowing gas. they are made mostly of hydrogen and helium. which statement correctly describes other ways in which nebulae and stars are different? a. stars can form inside a nebula but a nebula can never be produced by any star. b. a star always has a higher density than a nebula. c. stars can never form inside a nebula but a nebula can be produced by any star. d. a nebula always has a higher density than a star.