Respuesta :
Both A and D seem correct to me but if you need to go with one then I'd say D. Fish spend their entire lives in water; the study of fish is called "ichthyology". B and C are totally wrong, however.
Let me know if you need anything else. :)
- Dotz
Let me know if you need anything else. :)
- Dotz
Answer: A - Fish spend their entire lives in water; there are millions of varieties of them.
Explanation: trust me