He is an expert in paleoanthropology, conducting research on the origins of mankind.

The police used tear gas against the demonstrators.

Please hand this dossier over to him.

Taxonomy is an important tool for understanding the diversity of life.

He is an expert in paleoanthropology, investigating archaeological sites around the world.

Birds of prey capture their prey with their sharp vision and powerful claws.

I grated the cucumber and topped it on the salad.

He used a thesaurus to find suitable words for writing his essay.

He was sprayed with tear gas during the demonstration.

A large family meeting was held where all relatives gathered.