Doctors do not administer vaccinations to people who are too sick. Which best explains why?

The weakened or dead form of the pathogen may be attacked by ther person's immune system.
The weakened or dead form of the pathogen may have a fatal effect when it is combined with medication that the sick people are taking.
The digestive systems of sick people may be negatively affected by the weakened or dead pathogen.
The white blood cells of sick people may not be able to efficiently handle the weakened or dead form of the pathogen.

D, The white blood cells of sick people may not be able to efficiently handle the weakened or dead form of the pathogen.

Explanation:

Vaccinations are essentially just weak diseases we use to create antibodies so the body can protect itself from the full disease. If it sees it once, it can defend itself, is the theory. This is choice D.

false because ozone (o3) depletion does not cause global warming, but both of these environmental problems have a common cause: human activities that release pollutants into the atmosphere altering it.

global warming is caused primarily by putting too much carbon dioxide into the atmosphere when coal, oil, and natural gas are burned to generate electricity or to run our cars.

explanation: