A matrimonial quarrel is one of the factors that disturb the peace of the home.

The wildfire burned down the entire forest.

Collagen is an important component for maintaining skin elasticity.

The development of nuclear-powered ships must consider their impact on the environment.

Freedom of speech is a fundamental element of democracy.

The study of filterable pathogens is an important part of virology.

She was diagnosed with collagenosis.

We need to find a fundamental solution to this problem.

Islamic fundamentalism is perceived by some as demanding strict religious norms.

Primitive communism is one of the initial forms of human social organization.