1886435
Descrição
Mapa Mental por greenchloe1998, atualizado more than 1 year ago
|
|
Criado por greenchloe1998
quase 10 anos atrás
|
|
Uses of Limestone.
- building material
- boring grey/white colour.
- often formed from sea shells
- often formed from sea shells
- quarried
- great for making blocks. For
statues and cathedrals.
- virtually insoluble in rain water.
- acid rain reacts with it and dissolves it.
- acid rain reacts with it and dissolves it.
- boring grey/white colour.
- crushed up and used
in road surfacing
- Powdered limestone is heated with
powdered clay in a kiln to make
cement
- mixing cement
with sand, water
and gravel makes
concrete
- heated with sand and
sodium carbonate = glass
- PROBLEMS
- ugly holes permanently change the landscape.
- noise and dust.
- created by lorries and
quarrying processes
- created by lorries and
quarrying processes
- destroys the habitats of
animals and birds.
- ugly holes permanently change the landscape.
- BENEFITS
- provides houses
and roads
- dyes, paints
and medicines
- used to neutralise soil
- and lakes and rivers, made
acidic by acid rain are also neutralised.
- and lakes and rivers, made
acidic by acid rain are also neutralised.
- used in power stations
to neutralise sulphur
dioxide
- a cause of acid rain,
- a cause of acid rain,
- provides jobs
- brings money into the local environment
- brings money into the local environment
- Landscaping and restoration is
normally required.
- provides houses
and roads
Quer criar seus próprios Mapas Mentais gratuitos com a GoConqr? Saiba mais.