Answer:
The world is a common house for all because, fish live in the world and therefore it is their house, plants live in the world and therefore the world is a house for plants as well, humans live in the world and therefore it is our house as well. Even objects like a pair of scissors are in the world. All things live in the world therefore, the world is a common house for all.
Step-by-step explanation:
If all things can and do live in the world then the world is a common house for all.