I'm pretty sure everyone changes from a child to adult, so i'm going with true.
Answer:
Acquired immunity
Explanation:
Acquired immunity is a type of immunity that we develop when we get exposed to some antigens. Our immune systems can build a defense against those antigens and next time when we encounter those same antigens our body will know how to react. This immunity builds up over time in order to have an answer ready when a threat presents itself.
Answer:
Standard nuclear notation shows the chemical symbol, the mass number and the atomic number of the isotope. Example: the isotopes of carbon. The mass of an element that is numerically equal to the atomic mass A in grams is called a mole and will contain Avogadro's number NA of nuclei.
Explanation:
(USMLE) sequence is required for any doctor to obtain a license to practice medicine in the United States.