He makes a living through rice work.

The Kingdom of Swaziland is a small country in Africa.

Twin primes are a special existence in mathematics.

My scientific calculator can perform very advanced calculations.

Neurotransmitters play a crucial role in transmitting information in the brain.

We will make this project successful by working together with one mind.

He damaged his motor nerves in an accident.

In chemistry class, I learned about alkanes.

Alkynes play a very important role in organic chemistry.

Alkenes, also known as olefin hydrocarbons, play an important role in organic chemistry.