The universe is composed of billions of galaxies close to and far from the Milky Way. Evidence that all distant galaxies are moving further from our
position on Earth is found from which of the following?
0
Information about the orbit of other planets
Data collected on the composition of stars
o
The shapes of the different galaxies
Shifts in the spectra received on Earth

What problem would a person have if the nucleic acid in one of his or her cells were damaged?

Fission of uranium-235 products energy and a. isotopes of smaller elements b. isotopes of larger elements c. lighter isotopes of uranium d. heavier isotopes of uranium

16. why must the number of electrons lost equal the number of electrons gained in every redox reaction? use 3 – 4 sentences in your own words to address this question. 18. what type of radiation is emitted when chromium-51 decays into manganese-51? show the nuclear equation that leads you to this answer. 19. a radioactive nucleus alpha decays to yield a sodium-24 nucleus in 14.8 hours. what was the identity of the original nucleus? show the nuclear equation that leads you to this answer.