David

David Mar 10, 2022, 12:49 AM Mar 10, 2022, 12:49 AM

Meaning, types etc.

David Mar 10, 2022, 12:39 AM Mar 10, 2022, 12:39 AM

Meaning instrument and units

David Mar 3, 2022, 12:17 PM Mar 3, 2022, 12:17 PM

Meaning , Characters, Grouping , oxidation and reduction.....

David Feb 28, 2022, 12:50 PM Feb 28, 2022, 12:50 PM

Follow up for More update

David Feb 25, 2022, 11:41 PM Feb 25, 2022, 11:41 PM

MEANING , USES , CLASSIFICATION AND THE LAWS OF ELECTROLYSIS...

David Feb 22, 2022, 10:47 AM Feb 22, 2022, 10:47 AM

DIFINATION, EFFECT AND RELATIONSHIP WITH ELEMENT

David Feb 20, 2022, 9:56 PM Feb 20, 2022, 9:56 PM

The positive effect of ASMR bon human and it's meaning in the science world.

David May 21, 2022, 11:00 AM

Meaning, reaction, effect..

David May 21, 2022, 11:19 AM

Meaning, property and some law's... All about matter

David May 21, 2022, 11:08 AM

Meaning and it units