Questions

Neeraj Chopra is associated with the Sports of Javelin throw. Indian, Neeraj Chopra won a gold medal in the Savo Games in Lapinlahti, Finland. He made a throw of 85.69 metres and won the gold medal.

No improvement required. Sentence is idiomatically correct.

The disease that has been eradicated from the world is small pox. Smallpox was an infectious disease caused by one of two virus variants, Variola major and Variola minor. The last naturally occurring case was diagnosed in October 1977 and the World Health Organization (WHO) certified the global eradication of the disease in 1980.

Materials that usually allow electricity to pass through them are called Good conductors of electricity.

Conductors conduct electrical current very easily because of their free electrons.

Examples are :: Aluminium, Gold, Copper, Silver

Materials that do not allow or oppose electrical current & make poor conductors are called Insulators.

Examples are :: Glass, Plastic, Wood, Air,...

Glass is made from heating of sand. To melt sand to make glass, the temperature needed is above 1800 deg celcius.

A homepage is a main or starting page of a website from where we can go to the individual pages by clicking the urls in it.

A fingernail.