pH is a scale or measure by which an aqueous solution could be determined of its acidity or basicity.
According to sources, the most probable answer to this query is that pH changes when for instance, an acid solution is introduced to a base solution.
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Muscle spasms<span>Hypocalcemia can cause
emotional disturbances
depression of the nervous system
muscle weakness
sluggish reflexes
muscle spasms</span>
Answer:
Moist walls - gases dissolve in the moisture helping them to pass across the gas exchange surface. Permeable walls - allow gases to pass through. Extensive blood supply - ensuring oxygen rich blood is taken away from the lungs and carbon dioxide rich blood is taken to the lungs.
Answer: They have streamlined bodies with poweful muscles
Explanation: them are some strong boys