The Pleistocene
August 29, 2011: 10am Class On-line Quiz #1 on d2l: Please complete before class on Friday, Sept. 2 HW 2 on line (d2l and boojum): Create a Constellation.
The Pleistocene. Causes of Glaciation 1) Why is there ice anywhere on Earth? 2) If there is ice, what makes it contract and expand?