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.
<span>Governments can provide health protection through numerous things, mostly through preventive action. Primary and secondary prevention and public health awareness promotion can help a lot in the long run. It can include various things like free blood tests or school screenings or by providing free breast checks or similar things.</span>
Answer:
The correct option is C: were determined primarily by the task.
Explanation:
When you are unaware of a situation that might be threatening to the eyes, the eye movement follows a motor action by a fraction of a second. However, when you are accomplishing a task, especially one that you are focused on, like making a peanut butter sandwich, the movement of the eye is influenced by the task being carried out.
Answer:
Toxic pollution low nutrients and near shore habitat changes
