When a virus enters the body, if it is captured by an antibody, then a will come along to destroy it. * chromosome
platelet
red blood cell
white blood cell

Use examples from the article to explain one positive and one negative effect that chemistry has had on society

Two things that biomedical has invented or innovated

When will le chatelier's principle come into effect? at the beginning of a reaction, when there are only reactants when a reaction has reached chemical equilibrium when a catalyst is added to a reaction mixture when a reaction is occurring but not yet at equilibrium