Tundras are warmer than grasslands. Grasslands get more rain than deserts. Deserts have more plants than rainforests. Rainforests are rockier than tundras.
I am hesitating between 4 options to answer the following question, which option should I choose?
Question: Which comparison of ecosystems is true?
Possibilities:
- Tundras are warmer than grasslands.
- Grasslands get more rain than deserts.
- Deserts have more plants than rainforests.
- Rainforests are rockier than tundras.

Grasslands get more rain than deserts.