Answer:
d. opinions
Explanation: To support evidence of a claim or counterclaim, an author needs to use facts, not opinions. An opinion could show that the author supports or doesn't support the claim, (Or counterclaim) but wouldn't use any evidence to say whether the claim is true or false.
D All the above should be the correct answer
Expansionary I think not 100% sure
A vaccine is a biological preparation that provides immunity to a particular infectious disease. It typically contains an element that resembles a disease causing microorganism.
Explanation:
Vaccine is used to stimulate our immune system and provide immunity against a particular disease by producing antibodies against that disease.
Process of injecting vaccine in our body is termed as vaccination.
Vaccine is made from some weakened part or killed forms of the microorganism that cause a particular disease for which vaccine is being prepared. Toxin parts or proteins strands of microorganism can also be used for this purpose.
First vaccine was developed in 1796. This vaccine was for smallpox and it was developed by Edward Jenner.
