The water vascular system of a sea star enables movement, digestion and respiration through the use of water to exert force on limbs known as tube feet. The vascular system is primarily water but also contains coelomocytes, protein and potassium salts.
Answer: low pollution
Explanation:
The environmental effects of nuclear power is light compared to others
Answer:
there are no answer choices lol
Explanation:
charactistics
physical features
profile
attributes