Interchangeâ¢ Wing Desk. This compact, contemporary desk is designed for collaborative learning and provides sleek looks, solid functionality and great flexibility. Includes a backpack peg to keep backpacks off the floor. It can be arranged in countless ways for groups of all sizes.
Corrosion is a chemical change and erosion is just a physical one. Explanation: Corrosion is an electrochemical process by which certain materials (eg iron) undergo a change in their oxidation state and combine with some compound present in the environment. #M (s) + O_2 (g) rarr M_xO_y (s)#.
The four main types of coastal erosion are Abrasion, Hydraulic action, Corrosion and Attrition. 1  Abrasion / Corrosion-Where sand and shingle are picked up by waves and scrap along the coastline.2  Hydraulic Action-The pounding affect of water on the coastline during storms. Abrasion / Corrosion-Where sand and shingle are picked up by waves and scrap along the coastline. 2  Hydraulic Action-The pounding affect of water on the coastline during storms. 3  Also water and air is compressed into joints and cracks and weakens the rock.