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Home Q & A Board Biology-Related Homework Help Environmental and Conservation Biology
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LeaP LeaP
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6 years ago
Scientists use proxies to study climate in order to measure
A) current levels of carbon dioxide.
B) changes in temperature over the past 100 years.
C) changes in the ozone layer over the past 30 years.
D) climates hundreds and thousands of years ago.
Textbook 
Environmental Science: Toward A Sustainable Future

Environmental Science: Toward A Sustainable Future


Edition: 13th
Authors:
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sumeetkhirwalsumeetkhirwal
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6 years ago
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LeaP Author
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6 years ago
This helped my grade so much Perfect
tcat
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
Lourd Jenkins
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2 hours ago
this is exactly what I needed
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