Which among the following are present in higher amount

After weeks of negotiations, the company finally agreed to capitulate and accept the union's demands for better wages and working conditions.

Adept

Select the option that can be used as a one-word substitute for the given group of words.

A person who knows everything

What is the term for a person who believes that the pursuit of pleasure is the highest good?

Select the option that can be used as a one-word substitute for the given group of words.

A person's way of standing or moving.

Fanatical , uncultured leaders, little versed in modern science, can not give us a solution. 

Select the option that can be used as a one-word substitute for the given group of words.

The study of earthquakes

An optical lens made for improving vision in a single eye

Among the given alternatives you have to find the word which can be the best substitute for the given sentence.