2.3 - Types of Weathering - Chemical. Chemical weathering is the weakening and subsequent disintegration of rock by chemical reactions. These reactions include oxidation, hydrolysis, and carbonation. These processes either form or destroy minerals, thus altering the nature of the rockâs mineral composition.
Mount McKinley (or Denali) in Alaska is the highest mountain peak in the United States and in North America, with a summit elevation of 20,320 feet (6,194 m) above sea level. Measured base-to-peak, it is the tallest mountain on land.t 4,884 metres (16,024 ft) above sea level, Puncak Jaya is the highest mountain in Indonesia, the highest on the island of New Guinea (which comprises the Indonesian West Papua region plus Papua New Guinea), the highest of Oceania (Australian continent), and the 5th highest mountain in political Southeast Asia.
What is the highest point and the lowest point in Australia? The highest point on the Australian mainland is Mt  Kosciuszko in southern NSW, with an elevation of 2228 meters.  The lowest point on the mainland is Lake Eyre, in South  â¦Australia, which lies fifteen meters below sea level.