Question

IV DEFINE THE FOLLOWING
1. Composting -
2. Manhole cover-
3. Pollutants-​

Answer 1

Answer:

1. The basic fundamental structure of which any matter is made of is called its composition.

2. The covers on the roads, platforms etc. which help to reduce water logging during heavy rainfalls are called manholes. their coverings are called manhole cover.

3. Any irritable substance that is released into the environment though human or natural activites and stand potentially dangerous for human and animal health are called pollutants.

Answer 2

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Answer:

1) Compost is a mixture of ingredients used to fertilise and improve the soil. It is commonly prepared by decomposing plant and food waste, recycling the organic materials so that the mixture is rich in plant nutrients and beneficial organisms such as worms and