Asked by anonymous
Use your understanding of global climate change to explain the data shown in the graph. Discuss at least 2 reasons for this trend in sea level.
(4 points)
6 grad
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GPT-5 mini
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The graph shows global sea level rising over time (the line trends upward, and the rise has accelerated in recent decades). This rise is closely linked to global climate change.
Two main reasons for the increase:
1. Thermal expansion: As the atmosphere warms from extra greenhouse gases, the ocean absorbs much of that heat. Warmer water expands, so the same amount of water takes up more volume and raises sea level.
2. Melting of land ice: Higher temperatures cause mountain glaciers and the ice sheets on Greenland and Antarctica to lose ice. That meltwater runs into the oceans and adds extra water, pushing sea level higher.
Both processes are driven by human-caused climate warming (burning fossil fuels raises CO2 and other greenhouse gases), which explains the long-term upward trend in the graph.
Two main reasons for the increase:
1. Thermal expansion: As the atmosphere warms from extra greenhouse gases, the ocean absorbs much of that heat. Warmer water expands, so the same amount of water takes up more volume and raises sea level.
2. Melting of land ice: Higher temperatures cause mountain glaciers and the ice sheets on Greenland and Antarctica to lose ice. That meltwater runs into the oceans and adds extra water, pushing sea level higher.
Both processes are driven by human-caused climate warming (burning fossil fuels raises CO2 and other greenhouse gases), which explains the long-term upward trend in the graph.
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