Questions

Bond order is proportional to the bond length is a False statement since Bond order is inversely proportional to the bond length.

Protested is used because here the villagers express their feeling by making an objection to what has been done.

The given sentence is in simple past. No improvement required.

Innovation is generally considered a process that brings together various novel ideas in a way that they have an impact on society. It differs from invention in that innovation refers to the use of a better and, as a result, novel idea or method, whereas invention refers more directly to the creation of the idea or method itself. Innovation differs from improvement in that innovation refers to the notion of doing something different rather than doing the same thing better.

A large underground economy results in an Overstated GDP. The underground economy is also called as Black market. It refers to illegal economic activity. Transactions in the underground economy are illegal either because the good or service being traded is illegal or because an otherwise licit transaction does not comply with government reporting requirements.