It might be because a strain on your eyes. If you're studying in dark room then that doesn't help. I would bring this up next time you go to the eye doctors.
Answer:
Trachoma is contagious making it communicable
Answer:
contaminated food or water
Explanation:
Amoebic dysenteri is caused by <em>Entamoeba histolytica</em>, a<em> parasyte trasmited through contamination of water and food with human feaces,</em> it can cause diarrhea or nauseas but it often shows no symptoms.
I hope you find this information useful and interesting! Good luck!
Answer:
D
Explanation:
All of these answer choices have something to deal with flexibility.