question 4 variation in which of the following would cause the quickest rise in global temperatures? o carbon dioxide o solar radiation o tilt of the earth’s axis atmospheric oxygen question 5 which of the folowing is a hypothesized cause of the permian-triassic mass extinction? o competition between species release of trapped methane the break-up of pangea o increased oxygen levels
LectureNotes said question 4 variation in which of the following would cause the quickest rise in global temperatures? o carbon dioxide o solar radiation o tilt of the earth’s axis o atmospheric oxygen
Answer: The quickest rise in global temperatures would most likely be caused by an increase in solar radiation. Solar radiation directly impacts the Earth’s energy balance and can lead to rapid changes in temperature. While carbon dioxide is a significant greenhouse gas that contributes to global warming, changes in solar radiation can have more immediate effects on global temperatures.
Question 5: Which of the following is a hypothesized cause of the Permian-Triassic mass extinction? o competition between species o release of trapped methane o the break-up of Pangea o increased oxygen levels
Answer: One of the hypothesized causes of the Permian-Triassic mass extinction is the release of trapped methane. This event, often referred to as the “Great Dying,” is believed to have been triggered by massive volcanic eruptions that led to the release of large quantities of methane from methane clathrates in the ocean floor. The sudden release of methane, a potent greenhouse gas, would have caused rapid and severe global warming, leading to widespread environmental changes and the extinction of many species.