Advertisements
Advertisements
प्रश्न
What hazards does mining pose to the environment?
Advertisements
उत्तर
Hazards posed by mining include:
(a) Release of harmful gases such as methane.
(b) Elimination of existing vegetation and destruction of the genetic profile of the soil.
(c) Continuous mining at a place can displace or destroy wildlife and habitat.
APPEARS IN
संबंधित प्रश्न
How can the wastes such as paper, plastic and metal objects be disposed of?
Write note.
Industrial waste
Match the items in Column I with as many times as possible in Column II.
|
Column I |
Column II |
|
1. Cow dung |
(i) Sugarcane |
|
2. Bagasse |
(ii) Raddiwalas |
|
3. Old newspapers |
(iii) Manure |
What will happen if garbage is left open in bin?
Differentiate between biodegradable and non-biodegradable substances. Cite examples.
A garbage collector separate items mentioned below in the garbage into red, green and blue containers for their transfer to landfill, composting pit and recycling unit respectively.
Items:
- Plastic bags
- Newspaper and journals
- Screw and nuts
- Vegetable peels
- Metal chips
- Egg shells
Which items were transferred to which bin?
Beautiful hand crafted articles like boxes and toys are made of paper pulp in our country. Can you explain how paper pulp which is made from paper can be used to make hard boxes and other articles?
What happens when cooking medium is made to flow down a drain?
