URGENT HELP PLEASE!!!
1.Which mineral is used in making cans and is found mainly in Australia?
hematite
bauxite
tektite
magnetite
2.Smelting is the major method used to refine and enrich which of the following?
oil
coal
iron ore
uranium ore
3.Which of the following is an example of sustainable use of natural resources?
harvesting huge populations of fish from a fishing shoal
clear-cutting a forest
planting multiple crops together on a field and harvesting them at different times
continuously strip mining coal deposits in an area