Answer:Aging. ...
Family history. ...
Smoking. ...
Alcohol. ...
Sunlight and ionizing radiation. ...
Organic and inorganic chemicals. ...
Viruses and Bacteria. ...
Hormone therapy.
Explanation:
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It is what gives our planet a specific axial tilt, spin and rotation, it is what gives us our present magnetic field.
A simple example is the connection between the circulatory and respiratory systems. As blood circulates through your body, it eventually needs fresh oxygen (O2) from the air. When the blood reaches the lungs, part of the respiratory system, the blood is re-oxygenated.
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Number of neutron = mass number - atomic number
= 163 - 58
Number of neutrons of element X is 105.