Waste Management

Question 1

Why is more waste being produced?

Answer 1

Rapid growth in population + increase in standard of living means more resources used

Question 2

How does land pollution occur?

Answer 2

Landfill + toxic chemicals

Question 3

How does water pollution occur?

Answer 3

Sewage, fertilisers + toxic chemicals get into water

Question 4

How does air pollution occur?

Answer 4

Smoke + acidic gasses

Question 5

What human activities can cause land pollution?

Answer 5

Putting rubbish into landfill, fly tipping, things containing toxic chemicals (eg; batteries) in landfill

Question 6

What human activities can cause water pollution?

Answer 6

Illegally releasing toxic chemicals in industrial areas, sewage + fertilisers being washed into water

Question 7

What human activities can cause air pollution?

Answer 7

Burning fossil fuels to produce energy

Question 8

How does eutrophication occur?

Answer 8

Sewage + fertilisers enter water, more alage because of mineral increase, algae die, decomposers feed on algae + respire, O2 decreases, organisms die as little O2