B, ocean trenches are formed after a underwater volcano has erupted.<span />
The experimental protocol describes and determines materials, equipment, and procedures.
Answer:
Detects foreign antigens
Explanation:
Antibodies are the defense cells of the body. They are produced by the white blood cells and help in fighting and killing foreign bodies which are known as antigens. The antibodies attacks the antigens by binding onto it and releasing chemicals to kill it or by engulfing the foreign body( antigen).Examples of antibodies are IgA and IgG.
It is true. The angle that the Sun's rays strike a region of Earth determines the amount of heat transferred.
