BIOLOGY IN HUMAN WELFARE
HUMAN HEALTH AND DISEASE
|
Question
[CLICK ON ANY CHOICE TO KNOW THE RIGHT ANSWER]
|
|
|
I only
|
|
|
II only
|
|
|
I and II
|
|
|
I and III
|
|
|
I, II and III
|
Detailed explanation-1: -Recycling aluminium uses 95% less energy than producing aluminium from raw materials. It also saves 97% of green house gas emissions produced in the primary production process. Recycling 1 tonne of aluminium saves 9 tonnes of CO2 emissions and 4 tonnes of bauxite – the raw material from which aluminium is made.
Detailed explanation-2: -Q: What are the environmental benefits of recycling? A: It conserves energy, reduces air and water pollution, reduces greenhouse gases, and conserves natural resources. Stanford recycled, composted, and otherwise source reduced 62% of its waste and reduced landfill by 35%.
Detailed explanation-3: -Recycling prevents the emissions of many greenhouse gases and water pollutants, and saves energy. Using recovered material generates less solid waste. Recycling helps to reduce the pollution caused by the extraction and processing of virgin materials.