Mass number = total protons + neutrons, and proton number = total protons (and therefore electrons, if not an ion.) Therefore: Neutrons = 12 - 5 = 7 Protons = 5 Electrons = 5
False. Strontium 90 has a half life of only 30 years, and as millions of years pass, about the time fossils have been around, most if not all of any strontium would have decayed.
I believe this is called the Atmosphere
Answer:
Answer: The Blue eye trait skipped a generation and so the girl got the trait with the two alleles (bb: for example)
Explanation:
Hair color or Eye color , one of the two
