The mass is made up of protons and neutrons, the valence electrons only determine stability, not mass
B. 2.883 million kilometer
The answer is nitrogen fixation.
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Answer:
Breed "pure" mice with known genotypes that exhibit specific fur and eye colors, and learn how traits are passed on via dominant and recessive genes. Mice can be stored in cages for future breeding, and the statistics of fur and eye color are reported every time a pair of mice breed.
Explanation:
