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Subject :NSO    Class : Class 4

Which of the following statements about saliva are correct?
1. Saliva is mainly water.
2. Saliva makes it easier for us to swallow our food.
3. Saliva softens our food.

A 1 and 2 only
B 1 and 3 only
C 2 and 3 only
D 1, 2 and 3


Ans 1:

Class : Class 5
The answer is option D

Ans 2:

Class : Class 4
D

Ans 3:

Class : Class 5
d!

Ans 4:

Class : Class 6
d

Ans 5:

Class : Class 6
Its answer is option D because saliva is mainly water and it contains enzimes that softnes our food and makes it easier to shallow

Ans 6:

Class : Class 2
why d please explain

Ans 7:

Class : Class 5
D

Ans 8:

Class : Class 4

Ans 9:

Class : Class 4
D only

Ans 10:

Class : Class 3
the answer can c or d.why cant it be c. pleas explain

Ans 11:

Class : Class 4
IT should be B as tongue makes it easier to swallow food but it can be D too PLS. explain

Ans 12:

Class : Class 5
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