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Match the following Holocene climate descriptions with the correct event name: Drag and drop options on the right hand side and submit. For keyboard navigation... SHOW MORE The Holocene Epoch began with a 12 degree Celsius rapid global temperature rise & sea level rose steadily III Preboreal for 3500 years Approximately 2500 years of rising global average temperatures that caused sea level to be 9 feet higher than today and coincided with the Holocene Climatic Optimum = Subatlantic Approximately 2500 years of cooler temperatures within the Neoglacial due to declining insolation until Homo sapiens changed atmospheric composition with 500 gigatons of greenhouse gases released within 250 years III Atlantic [ Fullsc
Which one of the following is NOT true of natural Earth surface evolution due to climate fluctuations? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a Atacama Desert is the oldest desert on Earth due to tectonics & atmospheric circulation & oceanic circulation b The Sahara Desert experienced the African Humid Period during times of higher Northern Hemisphere insolation с Atmosphere changes slower than the oceans & terrestrial sediment cores record long term & very detailed annual climate trends d There is greater potential for forest expansion on Earth's continental surfaces during interglacial stages than glacial stages
Which of the following is NOT true of Anthropocene climate observations? (choose both correct answers) Multiple answers: Multiple answers are accepted for this question Select one or more answers and submit. For keyboard navigation.. SHOW MORE a Ocean surface temperatures are changing faster than land surface temperatures b Current atmospheric carbon dioxide levels are increasing exponentially с The 2000sAD are the warmest of the last 1000+ years of paleo-proxy data records d Current climate trends are occurring during a time of decreasing insolation levels e All major scientific weather and climate organizations agree that current climate disruption is just a hypothesis and unlikely to harm the biosphere 3
Which one of the following is NOT a way that humans as a species have influenced the geosphere & atmosphere interconnection? Select an answer and submit. For keyboard navigation, use the up/down arrow keys to select an answer. a Humans pave with artificial surfaces that have a lower albedo thereby absorbing more heat energy, b Humans always protect ecosystems by choosing materials that do not chemically pollute the environment & protecting habitat stability C Humans compact the soil with livestock, paths, roads, buildings, and vehicles decreasing infiltration and damaging the biosphere d Humans build cities the low albedo materials that absorb thermal energy & increase urban regional temperature relative to the rural regions e Humans cut down forests decreasing the rate of photosynthesis & disrupting carbon cycling & increasing heat absorption into the exposed soil f Humans mine the geosphere for minerals & fossil fuels changing the surface chemistry and rate of chemical weathering [ Fullscreen B Humans introduce pollutants into the oceans that kill coral reefs causing them to discontinue photosynthesis