Questions

The relative pronoun acts as the subject or object of the relative clause. It replaces words like she, he, him, her, they, them etc.

It is, therefore, wrong to repeat the pronoun in the relative clause.

Hence, the correct sentence is Shreya, who is my best friend, is a singer.

In hydrocarbon, the boiling point directly varies with the length of carbon chain. On increasing the number of carbon atom, the boiling point of the compound also increases. Paraffin contains highest number of carbon atoms whereas, ethane is comprised of two carbon atoms.

The decreasing order of boiling point of mention compounds is written as follows:

Paraffin > Octadecane > Hexane > Neohexane > Ethane

Cricket - My Style is written by Kapil Dev.

The Eastern Ghats are a discontinuous range of mountains along India's eastern coast whereas Western Ghats also known as Sahyadri is a mountain range that runs parallel to the western coast of the Indian peninsula.

Eastern ghats and Western ghats meet at the Nilgiri hills in Tamilnadu.

Rowing is the game to which Wellington Trophy is related to. In this participants will be in race in rivers.