What is an important effect of gravity? A. It causes radioactive particles to split off from the nucleus.
B. It is responsible for charge attraction.
C. It keeps the nucleus of the atom together.
D. It maintains the distances between planets.
SUBMIT

How will the emission of an alpha particle affect the atomic number of an atom

Which type of fossil does this image depict?

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.