Answer: It is the oldest living animal species that has more than one organ. It has no brain. It has no central nervous system. It has no spinal column or bones of any sort.
Explanation:
I think that The answer is b.
Answer:
The river water can also be used for irrigation purposes. Agriculture is the main occupation of Nepali people, so irrigation is of great significance.
I would say false. Wolves live in packs and have power in numbers.