Edexcel IGCSE Geography 復(fù)習(xí)筆記 1.3.2 Water Quality & Supply Variations in Water Quality Clean,?potable?water is essential for human consumption, irrigation and for livestock Approximately one...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 1.3.1 Water Uses, Demand & Supply Water Uses Only?2.5%?of the water on Earth is?freshwater 68.7%?of freshwater is stored in glaciers and ice sheets and?30%?is g...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 1.2.3 River Landscapes Upland Landforms River landscape characteristics The changes in river channel characteristics, lead to changes in the river landscape The upl...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 1.2.2 Changes in River Characteristics Changes in River Characteristics River characteristics All rivers have a?long?and?cross profiles Each river's long and cross ...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 1.2.1 Fluvial Processes Weathering & Mass Movement River valley processes Both?fluvial?and landscape processes shape the river and surrounding land in the drain...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 1.1.3 River Regime & Hydrographs River Regimes & Storm Hydrographs River regimes The?discharge?of a river changes over time The?river regime?is a record of ...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 1.1.2 The Drainage Basin The Drainage Basin A?drainage basin?is an?open system Every drainage basin is unique and is different in shape and size, with different roc...
Edexcel IGCSE Geography 復(fù)習(xí)筆記 1.1.1 The Hydrological Cycle Characteristics of the Water Cycle The hydrological cycle is a?closed?system Water is constantly recycled through the system Within the...
Edexcel IGCSE Physics 復(fù)習(xí)筆記 8.3.3 Galactic Red-shift Galactic Red-shift The Doppler effect affects all types of waves, including?light Light emitted from stars and galaxies will be at a c...
