Streams that flow beneath melting glaciers leave long ridges of layered sediments, known as Esker. Eskers are formed within ice-walled tunnels by streams which flowed within and under glaciers. They tended to form around the time of the glacial maximum when the glacier was slow and sluggish and after the retaining ice walls melted away, stream deposits remained as long winding ridges.
<span>Warmer summertime temperatures in the northern hemisphere are due partly to the tilt of the earth's axis around the sun when it is at its lowest point. The northern hemisphere has usually shorter hours in the day and longer hours in the night that is why it always happen during the winter. Because the sun is a bit far away from these islands, people living in this area will expect colder atmosphere.
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Phospholipids and proteins
Biomolecules include large macromolecules (or polyanions) such as proteins, carbohydrates, lipids, and nucleic acids, as well as small molecules such as primary metabolites, secondary metabolites, and natural products. A more general name for this class of material is biological materials.
