Why does the emission of an alpha particle always result in transmutation?(1 point) Energy is released from the nucleus of the atom. Energy is released from the nucleus of the atom. The protons in the large atom change to neutrons. The protons in the large atom change to neutrons. The atom is converted to helium. The atom is converted to helium. The number of protons in the atom changes. The number of protons in the atom changes.

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.