... through the predator-prey relationships. Let us examine how acid rain is dangerous to fish. A freshwater fish's respiration consists of a 'trade' of hydrogen ions (H+) in their blood for sodium ions (Na+) from the water around them. If the concentration of hydrogen ions in the water is increased, which is essentially what happens when pH falls, there are (proportionally) fewer sodium ions ... ...

• Word Count: 3648
• Approx Pages: 15

... through the predator-prey relationships. Let us examine how acid rain is dangerous to fish. A freshwater fish's respiration consists of a 'trade' of hydrogen ions (H+) in their blood for sodium ions (Na+) from the water around them. If the concentration of hydrogen ions in the water is increased, which is essentially what happens when pH falls, there are (proportionally) fewer sodium ions ... ...

• Word Count: 3648
• Approx Pages: 15