lumber and water
Blackboard chalk is composed of calcium carbonate.
Diffrent btewen resours and power
The pack(s) used are custom edited
corn is a natural resours because it satrts as a seed and it's outside and that's nature
corn is a natural resours because it satrts as a seed and it's outside and that's nature
Sunshine and tobacco.
sunlight & wind
Coal and oil.
Water and paper
renewable and nonrenewable
advantages of renewable- it can be used over and over again. used to make power disadvantages of renewable- solar panels are expensive, so are wind turbines advantages of non-renewable- very efficient. lots of experience in field disadvantages of non-renewable- it pollutes the environment. it is difficult to dispose of
1 cancelable 2 optionally renewable 3 conditionally renable 4 gauranteed renewable