Question

HII FRIENDS MUJHE NA ABHI Nattik shiksha book k 16 chapters banane h​

Answer 1

ok do it

Explanation:

6.5 to 7.6

The normal pH range was 6.5 to 7.6; the mean value was 7.0. This method provides a rapid and accurate measure of tear pH and may better our understanding of tear physiology and tear buffering capacity. Carney LG, Hill RM: Human tear pH: Diurnal variations . Arch Ophthalmol 1976;94:821-824.

Answer 2

Answer:

nattik shiksha ch 16? what happened sis may l help you