Question
Ice cores from Antarctica allow scientists to measure the amounts of atmospheric carbon dioxide from long ago. These samples would BEST provide evidence for
Responses
A climate change.climate change.
B continental drift.continental drift.
C the big bang theory.the big bang theory.
D magnetic field reversal.
Responses
A climate change.climate change.
B continental drift.continental drift.
C the big bang theory.the big bang theory.
D magnetic field reversal.
Answers
GPT-5 mini
A — climate change.
Ice cores contain layered snow/ice with trapped air bubbles preserving past atmospheric gases (CO2, CH4) and isotopic ratios that record past temperatures, so they provide direct evidence of past climate change.
Ice cores contain layered snow/ice with trapped air bubbles preserving past atmospheric gases (CO2, CH4) and isotopic ratios that record past temperatures, so they provide direct evidence of past climate change.