In different
parts of the
country there's
more available -
dictates what
building
materials people
used.
Quarrying
ADVANTAGES- It is a
valuable natural resource,
makes glass and concrete
- creates employment-
cost is low unlike stone.
DISADVANTAGES -
creates noise and
visual pollution -
creates traffic, slow
people down - effect
tourism.
Limestone reacts with
carbon dioxide which
dissovles in rain water to
make acid rain. Due to the
increase in fossil fuels rain is
becoming more acidic.
Concrete is easily
shaped, which means
you can use it for a
variety of different
jobs eg. building high
rise buildings
Limestone is mainly calcuim carbonate - CaCO3
THERMAL DECOMPOSITION
- Depending on where the
metal is on the reactivity
series will dictate how much
energy/heat is use to
decompose it. High - needs
lots of energy. Low - need
less energy