He ended up in a vegetative state after the accident.

Sandwich compounds are being studied in a branch of chemistry.

His most favorite food is sushi.

Cnidarians are a type of marine life, including jellyfish and corals.

The agricultural products of this region are very fresh and delicious.

Amphoteric oxides have the characteristic of reacting with both acids and bases.

Acidic oxides react with water to produce acids.

Aluminum is an amphoteric oxide, it reacts with both acids and bases.

Basic oxides react with acids to produce salt and water.

Drug abuse is having a serious impact as a social problem.