He is majoring in botany at university.

He is majoring in botany at university.

Many immigrant plants live in this park.

Chrysophyta perform photosynthesis underwater.

He ended up in a vegetative state after the accident.

There are many succulent plants in my room.

There are many houseplants in my room.

It is reported that North Korea has conducted another underground nuclear test.

Groundwater pollution has become a serious environmental problem.

I went to the station through the underground passageway.