Question

(d) Tooth decay and cavities are caused by:
(i) bacteria (ii) virus
(e) Chickenpox is caused by -
(i) bacteria (ii) virus
(iii) fungi
(iv) protozoa
(iii) fungi
(iv) protozoa
2
Fill in the blanks:​

Answer 1

Answer:

bacteria

Explanation:

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Answer 2

Answer:

Bacteria

Explanation:

when bacteria, acid, food particles, and saliva all combine in your mouth.

Thanks