He is an expert in nuclear physics.

Interracial marriage promotes diversity and understanding.

In chemistry class, I learned about basic oxides.

In chemistry class, I learned about acidic oxides.

Intermolecular forces are an important factor in determining the properties of a substance.

Bioweapons are a major threat to humanity.

In this experiment, we will use various inorganic compounds.

In this experiment, we will observe the reaction of organic compounds.

He is doing special exercises to strengthen the interosseous muscles of his hand.

I love biology.