Answer:
Must be spread through human actions alone
Explanation:
Cause it's the only one that isn't true.
Answer:
it lets the defuse faster, which allowed communication to go by in a quickly manner
Explanation:
Answer:
When CO2 is breathed into the lungs, it dissolves in the water there, diffuses across the alveolar-capillary membrane, and enters the bloodstream. As it combines with water, it forms carbonic acid, making the blood acidic. So CO2 in the bloodstream lowers the blood pH.
The answer for this question would be choice <span>B) Water, rock, and surface materials, or the second option.</span>
