1 Noah makes fun of Oliverâs dead mother, so Oliver smacks him one. 2  Oliver runs away to London. 3  On his way, he gets picked up by the Artful Dodger, who promises to take Oliver to a gentleman who will give him a place to stay.
Ice sheets are important because they are at sea level, where climate change shows up. Melting ice sheets can be an early warning sign of global warming. We need to know what's happening to the ice because it is a major component of the Earth's climate system; it affects the climate and is effected by it.
Erratics are significant because: 1  Since they are transported by glaciers, they are one of a series of indicators which mark the path of prehistoric glacier movement. 2  They can be transported by ice-rafting. 3  Erratics dropped by icebergs melting in the ocean can be used to track Antarctic and Arctic-region glacial movements for periods prior to ...herefore, a correlation between the iceberg size and the boulder size can be established. For example, 1.5-metre (4.9 ft) diameter boulder can be carried by a 3-metre (9.8 ft) high iceberg and could be found stranded at higher elevations than a 2-metre (6.6 ft) boulder which requires a 4-metre (13 ft) high iceberg.