Geography

• Hundred Millions years ago, marine plants & animals die & settle to the bottom of the ocean floor.
• The 5 oceans are artic,southern,indian,atlantic and pacific
• physical geography is natuaral and contains 4 atmosphere
• the physical enviroment consist of atmosphere,hydosphere,lithosphere,biosphere
• lithosphere is solid rocky surface on earth
• hydrosphere is water on or above land
• Biosphere is living organism
• atmosphere is the gases around us
• the physical enviroment only has features that form naturally
• the human enviroment is the way people live and interact with physical enviroment
• a settlement is when people settle into one place
• latitude is a horizontal line that cuts across the earth from the east to west
• longtitude is vertical that cuts across the earth from the north to the south
• the prime maridian is a 0 degree longtitude
• the equator is a 0 degree latitude
• the tropic of cancer is located 23.5 degrees north of the equator
• the tropic of capricon is located at 23.5 degrees south of the equator
• the continents are north america,south america,europe,asia,africa ,australia and antartica
• human centered is a way of viewing an enviroment as valuable because it benefits humans
• nature centered is a way of viewing a enviroment that is valuable by itself
• renewable is a term used for material that can be formed naturally more or less within the same time it is used
• non-renewable refers to a material that takes a long time to naturally form and is being used faster than it can be replenished
• Hundred Millions years ago, marine plants & animals die & settle to the bottom of the ocean floor. Sand and Silt settle on the top of the remains of the marine organisms. After a few millions years, many layers of sand & silt piles on the remains, causing high heat & pressure. Due to the lack of oxygen, there is partial decomposition of these remains which turn them into crude oil & natural gas.
• Geographical Scale  

  • • Local - your neighbourhood 
  • • Country - your country (singapore)
  • • Regional - Countries near Singapore (ASEAN)
  • • Global - THE WHOLE WORLD!!