Safety toolbox topic on the different chemical label colors and numbers and what they mean Safety toolbox topic on the different chemical label colors and numbers and what they mean
Ice Age: Continental Drift. Ice Age: Continental Drift is a 2012 American 3-D computer-animated adventure/comedy film directed by Steve Martino and Mike Thurmeier. It is the fourth installment of the Ice Age series, being produced by Blue Sky Studios and distributed by 20th Century Fox, and the first sequel not to be directed by Carlos Saldanha.
Ice Ages: Timeline. Past 1,000,000 years. Past 150,000 years. Using chemical information collected from ice cores and from shells of organisms preserved in deep-sea sediments, geologists have been able to map out how Earth's climate has changed over time. Climate swings between cold periods, called glacials, and warm periods, called interglacials.