Answer:
Genetic code is the answer i think
<span>Doctors do not administer vaccinations to people who are too sick because (option D.) the white blood cells of sick people may not be able to efficiently handle the weakened or dead form of the pathogen. The inmunization is obtained when the white blood cells attack the weakened form of the pathogen, so if the white blood cells are working against other ill then they may not be able to effeciently attack the injected pathogen. </span>
Answer:
The measures which is taken by country need to prevent global warming are given below.
1) The government of the country should planted more trees because plants are only organisms which reduces the concentration of harmful gases which causes global warming.
2) Reduce the use of fossil fuels such as petrol, coal and methane gas.
3) Use solar energy instead of fuel for the production of electricity and other industrial products.