<span>In a nuclear fusion reaction, the mass of the products is less than the mass of the reactants. This "missing mass" -turns into energy.</span>
<span>The two different kinds of t-cells are the Helper t-cells and the killer t-cells.
T cells are named T cells after the thymus, an organ situated under the breastbone. They are produced in the bone marrow and later move to the thymus where they mature. Helper T cells have a primary tsak of activating the B cells and killer T cells. The killer T cells are specialized in attacking cells of the body infected by viruses and sometimes also by bacteria. Additionally, they can attack cancer cells.</span>
Answer:
epicentre is the odd one out
Explanation:
it is not part of the earths layers
Continents are land masses that exist on the surface of the earth. The continents are part of the uppermost layer of the earth which is called the crust.
