Question

i) Viruses can only multiply in a living cell ii) Oxygen and nitrogen make 78% of air iii) Louis Pasteur was the first scientist who discovered the Penicillin . Which of these is/are incorrect? * a. i and iii
b. i and ii
c. i, ii and iii
d. ii and iii​

Answer 1

Answer:

ii and iii

Explanation:

Louis Pasteur invented the method of Pasteursation.Alexander Flemming invented Penicillin.Nitrogen alone takes 78 percent in air.Oxygen takes 21 percent.If combined they would take 99% of air.

Answer 2

Answer:

I think ii and iii are correct