<p><span style="font-size: 16px;">Use the resources listed below to research one method for determining climates in earth's past - ice cores.&nbsp;</span></p>
<ul>
<li><span style="font-size: 16px;"><a href="http://earthobservatory.nasa.gov/Features/Paleoclimatology_IceCores/">The Ice Core Record</a></span></li>
<li><span style="font-size: 16px;"><a href="https://www.ncdc.noaa.gov/data-access/paleoclimatology-data/datasets/ice-core">Ice Core</a></span></li>
<li><span style="font-size: 16px;"><a href="http://research.bpcrc.osu.edu/Icecore/">Ice Core Paleoclimatology Research Group</a></span></li>
</ul>
<p><span style="font-size: 16px;">Summarize how ice cores are used to&nbsp;</span><span style="font-size: 16px; line-height: 22.4px;">determine</span><span style="font-size: 16px;">&nbsp;paleoclimate.&nbsp;</span></p><input name="sch-grade-item-max-points" type="hidden" value="10">