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.
Most of the Earth's oceanic crust is made of igneous rock. Igneous rocks are also geologically important because: their minerals and global chemistry give information about the composition of the mantle, from which some igneous rocks are extracted, and the temperature and pressure conditions that allowed this extraction, and/or of other pre-existing rock that melted;