<span>The
mass of an atom comes from the protons and neutrons that are found in the
nucleus. The number of protons is the atomic number of an element. To find the
number of neutrons, subtract the atomic number from the mass of an atom. So the number of neutrons are 20 (mass number) - 5 (atomic number) = 15 neutrons.</span>
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Radiation. radiation is what causes heat, therefore the air would heat from the natural radiation.
Answer:
producers get energy from the sun and other elements.
consumers eat the producers that got energy from the sun. and gain energy that way.
hopefully that helps.
