Causes of conjunctivitis. Causes of conjunctivitis include: Bacterial or viral infection. Infection with a virus that may also cause a fever and sore throat. Sexually transmitted infections (STIs), including chlamydia and gonorrhoea. Irritants such as chlorine from swimming pools, shampoo, smoke, fumes or a loose eyelash.
India is on track to become the worldâs most populous nation in less than a decade â or six years earlier than previously thought, according to the U.N. With 1.38 billion people compared with Indiaâs 1.31 billion, China is currently the worldâs most populous country. Figures for both countries are expected to swell to around 1.4 billion by 2022, at which point Indiaâs population is likely to expand beyond Chinaâs.
OVERPOPULATION IN CHINA. According to a recent study conducted by the World Health Organization(WHO), China is the worldâs most populous country in the world. With more than 1.3 billion people China represents 20% of the worldâs population. ( 1 in 5 people on the planet is a resident of China) . Overpopulation can lead to degration of land, pollution and poor living conditions. Step 1: Define the Problem.