Question

Write True and False :- 5M 1. Tooth decay is caused by the presence of a base. 2. Cutting a log of wood into piece is a chemical change. 3. Digestion of starch starts in the stomach.

Answer 1

Answer:

1, FALSE

2,FALSE

3.TRUE

Explanation:

HOPE IT WILL HEP YOU PLEASE MARK ME BRAINLLIST

Answer 2

Answer:

1.False

2.

3.False

Explanation:

1.Tooth decay is caused by bacteria in our mouth ....they act upon the remaining food particles n realease an acid that causes tooth decay

3.Digestion of starch begins in mouth where salivary amylase acts upon starch n converts it into maltose

Hope this helps