Category: Updates

What is nh4oh called?

Ammonium hydroxide (NH4OH) is a solution of ammonia in water. Commonly called ammonia or ammonia water, the chemical is used as a cleanser and in manufac...

Why is the retina inverted?

Inverted versus non-invertedretina The vertebrate retina is inverted in thesense that the light sensing cells are in back of theretina, so that light has...