Questions

Simple carbohydrates are also called as Simple sugars. Monosaccharides and Disaccharides refers to simple carbohydrates.

The comma ( , ) is a punctuation mark in English which is most frequently used.

It is perhaps also the most abused and misused punctuation mark among all.

Venus is known as earth's twin because of its closeness to the earth with respect to size, mass(weight) and density.

A Jig saw puzzle pieces are in different colors which have different shapes. 

You can put it anywhere you like but there is only one right place for it to be fit in it.

An invention that improved safety for railway passengers is Air brakes. With the use of air brakes using compressed air, become more effective by preventing many train accidents.

When a work process is out-sourced to a different country which is not nearby – it is called off-shore outsourcing. For e.g. If USA outsources a work process to India- it is off-shore outsourcing.