He is majoring in physical chemistry at university.

I am majoring in physical chemistry at university.

Can this scrap be recycled?

Our body is constantly excreting waste products.

Antimatter is said to have the opposite properties of matter.

Gymnosperms are a type of plant that directly release their seeds into the air.

I will go fishing for grouper.

I am majoring in physical chemistry at university.

He has a strong desire for material wealth and is always seeking something new.

She is good at painting still life subjects.