using resources - earths resources Flashcards
(9 cards)
what do we use resources for
to provide warmth, shelter, food and transport
in many cases where are these resources made
in agriculture
what are trees used for
timber or fuel
what has chemistry done
replaced these natural resources with synthetic ones
example?
rubber
- natural rubber comes form sap of a tree
- synthetic rubber is made from crude oil
what does finite mean and give an example
they cannot be replaced as quickly as they are being used e.g. fossil fuels
they will eventually run out
what are metals
also a finite resource - they will run out
what does renewable and give an example
we can replace these resources as quickly as we use them
e.g. wood
meaning of sustainable
we can meet our needs without preventing further damage to future generations