Select all the correct answers. Which questions would help determine whether an article is scientifically accurate? Group of answer choices Does the author have evidence for the given facts? Is the author stating an opinion or a fact? Does the author have a balanced diet? How many articles has the author written before? Does the author like music?

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.