Renewable & Non-renewable Resources

Question 1

What is a renewable resource?

Answer 1

Renewable resource- stock level replenished naturally over ⏰

Question 2

Give examples of renewable resources

Answer 2

1) Solar 🌞 energy
2) Wind 💨 power
3) Tidal 🌊 power

Question 3

What are the evaluation points of renewable resources?

Answer 3

👎- ⬆️ upfront costs- higher than some non-renewable sources … ✖️ as affordable
👍- ⬇️ maintenance costs- little to no moving parts unlike non-renewable sources- ✖️ rely on flammable, combustible⛽️ sources to operate- can go wrong
👎- BUT may decline over ⏰ if consumed faster than replenished by environment
👍- ✖️ run out- long term solution ⏰- unlike non-renewable sources- decline over ⏰

Question 4

What is a non-renewable resource?

Answer 4

Non- renewable resource- stock level ⬇️ over ⏰ as consumed

Question 5

Gives examples of non-renewable resources

Answer 5

1) fossil fuels (coal, oil⛽️, gas)

Question 6

Why do renewable resources need careful management?

Answer 6

BUT resources may ⬇️ over ⏰ if consumed faster than environment replenish rate- need careful management

Question 7

What decrease the use of non-renewable resources?

Answer 7

Recycling, substitutes & price mechanism (higher prices) ⬇️ rate of use

Question 8

What are the evaluation points of non-renewable resources?

Answer 8

👎- greenhouse gases produced- destroy ozone layer- greenhouse effect- 🌞 rays kept in 🌏 atmosphere … -> global warming 🌞- gases bad for humans as well- respiratory problems
👍- cheap source of energy- … affordable for consumers & profitable for producers
👎- scar landscape- e.g. mining- ✖️ attractive
👍- easily accessible- found everywhere … people living in ⬇️ accessible areas can make use of non-renewable energy