Answer:
Together,the number of protons and the number of neutrons determine an elements isotopes have slightly different mass numbers, the atomic mass is calculated by obtaining the mean of the mass numbers for its isotopes.
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Answer: More than 90% of measles infections occurs in children under 15 years old.
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Answer:
The answer is A- A saturated fat
Answer:
an advantage is living cells can be examined in their natural state without previously being killed, fixed, and stained
