Decide which item would best check the reliability of each statement. My encyclopedia says the smallpox vaccine has not been discovered. check copyright date check another reference check author's background I NEED IT NOW PLZZ

The answer for your question is Check authors background

Explanation:

a) madame podtochina used witchcraft to make it disappear.

it wouldnt be considered cheating as long as you dont copy the answered we give here word from word.

also remember that some online schools have things that can tell if you have copy and pasted anything into your report.