All of the following responses provide evidence for the impact of climate change:
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Some fish populations have had to migrate towards the poles - This reflects changes in water temperatures and habitats due to climate change.
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Trees and flowers are blooming earlier in the spring - This indicates shifts in seasonal patterns as a result of rising temperatures.
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Wildfire seasons are lasting longer - Increased temperatures and changes in precipitation patterns contribute to longer and more intense wildfire seasons.
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Storms linger in an area for longer periods of time due to a weakened jet stream - Climate change can affect atmospheric circulation patterns, leading to prolonged weather events.
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Ice sheets are melting and causing sea levels to rise - This is a direct consequence of global warming, leading to rising sea levels.
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Oceans are becoming more acidic, making it harder for organisms to make shells - Increased carbon dioxide levels lead to ocean acidification, affecting marine life.
Therefore, all of the options listed are valid evidence for the impact of climate change.