Write short answers.
a) Why is humus considered good for growing plants?
b) What is the name of the earthworm used in vermicomposting? How does it convert
biodegradable solid waste into manure?
c) Why is incineration not a good practice of getting rid of garbage?
d) Distinguish between biodegradable and non-biodegradable wastes.
e) What is a landfill? please give answers
Answers
Answer:
1. Humus is considered good for growing plants because it contains decaying plants and animal matter which is very good for plants
2. Redworms used for vermicomposting and eats the biodegradable solid waste and then their excreta when they excrete it it is good for plants and it is like a manure.
3 incineration is not a good practice of getting rid of garbage because in incineration we burn the waste and thus, different types of gases are produced and the gases produced like Sulphur Dioxide carbon dioxide carbon monoxide at 17 are harmful for the environment
4. biodegradable waste is the waste which can be e decomposed into manual but non biodegradable waste is that can only be recycled and reduced but cannot be decomposed
5. landfill is a large area of land where waste is buried on the ground
Answer:
Explanation:
1. Coz it has good nutrients
2.Lumbricus
3.its a good practice but may be burning hazardous substance could threaten life
4.bio deg are naturally decomposable eg. Fruit leaf
Non bio are not decomposable eg.plastic
5.burying the waste in the land is called as landfill. Its not a good method coz it may affect the underground water