resources and reserves

Question 1

what are renewable resources ?

Answer 1

natural resource that replenishes by natural process at a rate almost or greater than its rate of consumption

Question 2

what are non renewable resources ?

Answer 2

natural resources that does not replenish naturally at a rate required to replace consumption

Question 3

what does the seed of hardwood look like and whats it called?

Answer 3

when the seed has an outer covering (angiosperm)

Question 4

what does the seed of softwood look like and whats it called?

Answer 4

when the seed doesn’t have a covering (gymnosperm)

Question 5

test for wood hardness

Answer 5

janka hardness test

Question 6

what is possible?

Answer 6

> certainty of exploration lies between 10-50%

> also known as P10 reserves

Question 7

what is probable?

Answer 7

> certainty of exploration lies between 50-90%

> also known as P50 reserves

Question 8

what is proved?

Answer 8

> certainty of exploration lies above 90%

> also known as P60 reserves

Question 9

aim of sustainable design and other names for it

Answer 9

> the aim of sustainable design is to produce places, products and services in a way that reduces use of non-renewable resources, minimises environmental impact

also called:

• green design
• Eco design
• Design for the environment

Question 10

advantages of renewable resources

Answer 10

• renewable energy sources will not run out
• Solar panels are cheap to maintain
• Unused energy produced by households can be sold back to the main national grid
• Renewable energy technologies could produce many jobs in the future

Question 11

disadvantages of renewable resources

Answer 11

• hydroelectric systems can harm environments and wildlife
• Wind turbines can be very noisy
• Not all places in the world can make use of renewable energy sources
• Wind turbines can only be used if the weather conditions are suitable