Answered

1.
Ice core samples
a. are becoming harder and harder to find.
b. are a valuable tool in learning about the climate and greenhouse gases through history.
c. show that levels of greenhouse gases are higher today than they've been for thousands of yea
d. Both b and c



Answer :

GinnyAnswer

Final answer:

Antarctic ice cores provide critical insights into historical climate trends and greenhouse gas levels.


Explanation:

Antarctic ice cores are crucial evidence for studying climate change. These samples reveal historical data on temperature and greenhouse gases, aiding in understanding climate trends over the past 400,000 years. Antarctic ice cores show that current greenhouse gas levels are higher than they have been in millennia, emphasizing the significance of this research.


Learn more about Antarctic ice cores here:

https://brainly.com/question/31762208


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