Ill give brainliest || How has a rise on global temperature impacted the life of the polar bear? A rise in temperatures has disrupted the Arctic food chain common to polar bears. Key to maintaining a healthy weight and insulative fat layer is a diet of seals. The US Geological Survey suggest that if such trends continue, two-thirds of the world's Arctic ice could disappear by 2050. The accumulation of greenhouse gases in the Earth's atmosphere has been substantially increased by the combustion of fossil fuels. Scientists predict that malnourishment among the bears resulting in smaller litter sizes will result in their extinction in several decades. As a result of melting sea ice, there should be more vegetation on-shore for the polar bears to eat.

What is a gene ? a) a section of a protein that codes for dna. b) the alternate version of a trait. c) the visible trait in the f1 generation. d) a section of dna that codes for a specific trait .

Under the soviet system, the government a. controlled all forms of communication. b. allowed newspapers to print whatever they wanted. c. controlled editorials but not the reporting of news. d. encouraged access to a wide variety of news sources. select the best answer from the choices provided a b c d

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.