Answer:
what do you need? there is no question here
Explanation:
From the guts of several ruminants especially cow ,where it contains bacteria called Methanogens which is a type of Archaebacteria .
Methanogens are responsible for production of Methane gas from the dung of the cow
Answer: Keratitis is an acute inflammation of the cornea causing pain,redness,blurred vision and decreased sensitivity.
Explanation:
Keratitis is the inflammation of the cornea caused by any ocular trauma, ocular surface disease, bacterial, viral or fungal infections, wearing contact lens for too long and any foreign body.
Keratitis symptoms and signs include eye pain,blurred vision,photophobia,tearing, and eye redness.
There are dofferent types of keratitis depending upon the sote of inflammation. Interstitial keratitis, epithelial keratitis and peripheral keratitis. It may be acute or chronic.
If not treated it may lead to corneal ulcer which is a leading cause of blindness.
It is called an extinction event
I am almost certain it was the discovery of bacteria. Hope this helped you hunn
