Explain any three points that can help to prevent environmental degradation
Answers
Answer:
Smoke can also be reduced by substitutes of coal such as oil and gas. 3. All kinds of machinery can be redesigned to increase efficiency and reduce the levels of noise. The level of noise pollution can also be reduced by noise absorbing materials and silencers.
Answer:
Our environment is precious to us. We should not exploit the beauty of it in any way.
Three values that can help prevent environmental degradation are as follows:Responsible behaviour: We should always switch off the lights and fans when they are not in use.Being conscious about the environment: We should be conscious in what we are doing towards the environment. For example, we should encourage car pool and use public transport to control pollution and save fuel.Sustainable thinking: We should preserve and protect the resources so that all of them are not exploited by us and some are left for the future generation.
* minimising use ;water for processing by reusing and recyling if in two or more succesive stages.
*harvesting of rainwater to meet water requirement
*treating hot water and effluents before realising them into river or ponds
*primary treatment by mechanical means , this involves
Sscreening ,grinding and sedimentation
*second treatement by biological process
*tertiary treatement by biological chemical and physical processes .this involves recycling of waste water