Fur has a thick layer of protection to help protect..say a bear in this case. A polar bear's fur is helpful in the cold, to prevent the bear from freezing to death.
But since a polar bear eats fish and things that it's used to in Antarctica, it probably won't adapt as easily.
I hope I helped!
Answer: B. Water breaks down into oxygen molecules for respiration.
Water is the required for photosynthesis, a process by which plants (terrestrial and aquatic) makes their food by utilizing water as a reactant to produce oxygen and glucose as product. The glucose act as a source of energy for conducting various metabolic processes in plants but oxygen is released in the air.

This oxygen is necessary for terrestrial and aquatic animals for respiration. Therefore, water breaks down into oxygen by the process of photosynthesis, hence water plays important role in respiration in living beings.
Answer:
mitochondria
Explanation:
Mitochondria is known as power house of a cell
Answer:
a closed reduction procedure
Explanation:
The procedure basically takes about 30 minutes. The doctor administer anaesthesia to the patient to reduce pain. The dislocated bone is pulled to its normal position.
Physical therapy is recommended by the doctor after healing to prevent inflammation that may occur around the soft tissue region that had been injured.
From the right atrium, blood will flow through the tricuspid valve into the right ventricle.