or log in
Upon physical weathering the rock only falls into pieces, whereas during chemical weathering its...
In summer, monsoon winds bring heavy rainfall from the sea to the mainland.
The weather can be forecast with different meteorological instruments.
A periodic climate pattern that occurs across the tropical Pacific Ocean every five years.
An earthquake is one of the most devastating natural phenomena.
A glacier is a large body of ice that forms from snow, and is in constant, slow motion.
Tectonic plates can move in relation to each other.
Natural gas and petroleum are among the most important sources of energy and raw materials today.