Chemical reactions involve the reactants' undergoing a chemical change to become products.
Force is a Vector quantity. a vector quantity has both magnitude and direction.
a constant is something that you keep the same and don’t change or it can be something that doesn’t undergo the factors being investigated
Answer:
The atomic number = number of protons = number of electrons.
The atomic mass - the atomic number = number of neutrons.
Protons - 7
Electrons - 7
Neutrons - 9
Element - Nitrogen
Explanation:
Immunological memory accounts for <span>the ancient observation that someone who had recovered from the plague could safely care for those newly diseased. </span> <span>Immunological memory is a property of the immune system to recognize the pathogen (antigen) that the body has previously encountered. As a result, immune system corresponds by inducing immune response via memory T and B cells.</span>
