The amount of water vapor in the air as compared with the amount of water that the air could hold is called relative humidity
Answer:To initiate an immune response and antibody production
Explanation:Immunization is the process whereby a person is made immune or resistant to an infectious disease, typically by the administration of a vaccine. Vaccines stimulate the body's own immune system to protect the person against subsequent infection or disease.
2. The populations of predators are dependent on the populations of their prey.