I would think it would be false considering part of the virus you are trying to get immunity to is in a vaccine
I think the answer is B,A,E
Answer should be A if multiple choice
Answer: Exhaled air containing Carbon dioxide bubbles react with water to form carbonic acid . The solution turn acidic and turn from green to yellow.
Explanation:
Exhaled carbondioxide bubbles reacts with water to form carbonic acid, the solution will turn acidic. Carbonic acid is a weak acid that decrease pH. An indicator of it shows that the solution turns from green to yellow.
Co2+ H2O= H2Co3.
The solution then dissociate to give H ion and hydrogen carbonates ion.
Answer:
the process by which different kinds of living organisms are thought to have developed and diversified from earlier forms during the history of the earth.
