Which of the following actions would be most likely to increase the protection of ecological systems in national forests?
a. encourage timber harvesting of old-growth forests within national parksb. allow national forest managers to use revenues from timber sales as they see fitc. mandate that the government sale of logging rights in national forests be at fair market valued. make the growing, harvesting, and sale of timber the primary use of national forests

After frida stops exercising, she continues to breathe heavily. what is most likely occurring in her body? heavy breathing during exercise has produced an oxygen surplus in her muscles. this oxygen is being transported to her lungs. this is a result of aerobic respiration. heavy breathing during exercise has produced a carbon dioxide surplus in her muscles. lactate is being transported to her liver. this is a result of aerobic respiration. strenuous exercise has caused her body to be in carbon dioxide debt, and she is breathing hard while lactate is transported to the liver. this is a result of anaerobic respiration. strenuous exercise has caused her body to be in oxygen debt, and she is breathing hard while lactate is transported to the liver. this is a result of anaerobic respiration.