Answer:
Because it contains carbonic acid
Explanation:
Carbonic acid is made from dissolving carbon dioxide in water. Since carbon dioxide is exhaled in the lungs, and the exhaled air is moist due to the presence of water molecules from the alveoli, then the carbon dioxide gas will be dissolved in the exhaled air’s moisture rendering it slightly acidic.
Answer:
true
Explanation:
this is true. because some freshwater evosystems are terrestrial
Answer:
I believe water can go across the membrane. I hope this helps.
Answer:
population is the right answer.