topic 10(using resources)

Question 1

where do Natural resources come from

Answer 1

come from the Sea, the Earth and the air

Question 2

What is sustainable development

Answer 2

an approach to development that takes the account of the needs of the present society, whilst not damaging lives of future generations.

Question 3

Ways to extract copper

Answer 3

Bioleaching- bacteria are used to convert copper compounds in the ore into soluble copper compounds, separating out the coppers from the ores.
Phytomining- involves growing plants in soil that contains copper. The plants can’t use or get rid of copper so it gradually builds up in the leaves. It can then be harvested, dried and burned to be extracted in a furnace.

Question 4

Why are recycling metals important

Answer 4

as it saves energy instead of mining and extracting new metals, which conserves the finite amount.

Question 5

What is the Life Cycle Assessment

Answer 5

Looks at how things are made and how great of a impact it has on the environment.

Question 6

stages of the Life Cycle Assessment

Answer 6

1. extracting the raw materials
2. Manufacturing and packaging
   3.Use of the product
3. disposed into landfill sights which takes up space and pollutes land and water. Products may also be incinerated