What is that target?

He drew his bow aiming at the target.

He drew his bow aiming at the target.

In order to reduce food waste, we should plan our food consumption.

He is an excellent chemist who made many discoveries.

He is an expert in petrochemistry.

It's difficult to decipher this chemical equation.

Understanding chemical equations is difficult.

He is an expert in chemical analysis.

We are growing vegetables without using chemical fertilizers.