The English alphabet has five vowels.

The river flows through the watershed, dividing the land into two separate drainage basins.

I am studying algebra for my upcoming math exam.

The amplitude of the park is quite impressive.

Biodiversity is essential for maintaining a healthy ecosystem.

The chloride concentration in the water is too high.

He was born circa 1950, but the exact date is unknown.

The word 'consonant' refers to a speech sound that is produced by obstructing airflow in the vocal tract.

The cortex is the outer layer of an organ or structure.

Inversion is a linguistic phenomenon where the normal word order of a sentence is reversed.