What are some key facts about rats, including their appearance, lifespan, habitat, behavior, abilities, diet, and impact?

Here are the correct answers for the questions about rats:

1. They are - black, brown, grey.
2. They can live - 5 years. (Wild rats typically live 1-2 years, but domesticated rats can live up to 5 years or more.)
3. They generally live - in old buildings, on farms, in basements.
4. They have got an active life - at night.
5. They are - social. (Rats live in groups.)
6. They have got strong teeth. They can CHEW through - wood, wire, metal.
7. They can - climb, squeeze through small holes.
8. They can identify - rat poison.
9. Their favourite food is - fruit, grains.
10. They can - cause allergy, transmit diseases.