Answer: Neutrons
Explanation: Nucleons are called so because they are in the “Nucleus” of an atom. The “nucleons” are the protons and neutrons. They are inside the nucleus. Electrons orbit the nucleus of an atom.
Answer:
false ig because animal cell is not complex(i am not sure)
materials move against a concentration gradient
Answer: More than 90% of measles infections occurs in children under 15 years old.
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