The answer should be C.
"Increased Exercise."
Calcium and phosphorus build strong and flexible bones. A diet lacking these nutrients can lead to osteoporosis.
Answer: A
Explanation: The blood–air barrier (alveolar–capillary barrier or membrane) exists in the gas exchanging region of the lungs. It exists to prevent air bubbles from forming in the blood, and from blood entering the alveoli. ... The barrier is permeable to molecular oxygen, carbon dioxide, carbon monoxide and many other gases.
Answer:
A
oleates
Oils are liquids at room temperature due to the presence of higher percentage of oleates present in the oils which are unsaturated fatty acids and if higher unsaturation is present melting point will be lower.