Which of the following describes an old-growth forest? a. a forest that has been planted with pine trees to be harvested for paper production b. a bristlecone pine forest that contains trees that are over 500 years old c. a forest that is regrowing after a forest fire d. a forest that is regrowing after it was clear-cut by a logging company

What is the relationship between absorbance of light and the rate of photosynthesis?

Compare and contrast your sells take in oxygen, water, and food. what is one waste product that leaves your cells?

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.