Answer:
Our immune system produces antibodies against that antigen of pathogen.
Explanation:
Injecting an antigen from a pathogen would help our immune system memorize the infection and protect our body from causing of the disease because our immune system produces antibodies against that antigen so when the pathogen enters our body these antibodies attack on that and prevent them of causing infection in the body so that's why injecting an antigen has to be done from the childhood to prevent diseases.
B is the answer because the rest of them u can get back but not coal
This solar energy conversion process is known as photosynthesis. ... At this time, the oxygen level was approximately 10% of its present atmospheric concentration. ... The presence of ozone enabled organisms to develop and live on the land.
<span>(Standard precautions do not include the use of gloves for feeding.) Correct
Wearing clean gloves for diaper changes in all newborns is a standard protocol.
Clean gloves should be worn for all admission baths because the nurse will be exposed to blood and amniotic fluid.
Clean gloves should be worn when suctioning an infant. </span>
