Class 11th
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New answer posted
6 months agoContributor-Level 10
(b) The compound contaminates the groundwater and is also a suspected carcinogen.
New answer posted
6 months agoContributor-Level 10
(b) CO is highly poisonous to living beings because of its ability to block the delivery of oxygen to the organs and tissues.
New question posted
6 months agoNew answer posted
6 months agoContributor-Level 10
The compost producing pit should be kept covered so that flies cannot make entry into it and bad odour is minimized.
The waste materials which are non-biodegradable like glasses, plastic bags, plastic bottles, polybags, must be handed over to the vendors who can send them to the recycling plants.
New answer posted
6 months agoContributor-Level 10
Domestic waste can be separated into biodegradable and non-biodegradable materials. Non-biodegradable materials such as plastic, glass, metal scraps etc. are sent for recycling. Biodegradable wastes can be deposited in landfills and are converted into compost to be used as manure.
New answer posted
6 months agoContributor-Level 10
Excessive phytoplankton (organic pollutants such as leaves, grass trash etc.) present in water are biodegradable. Bacteria decompose these organic matters in water. During this process, when a large number of bacteria decompose these organic matters, they consume the dissolved oxygen in water. When the level of dissolved oxygen falls below 6 ppm the fish cannot survive.
New answer posted
6 months agoContributor-Level 10
The solar energy radiated back from the Earth's surface is absorbed by the greenhouse gases (CO2, CH4, O3, CFCs) present near the Earth's surface.
They heat up the atmosphere near the Earth's surface and keep it warm. As a result of these, there is the growth of vegetation which supports life. In the absence of this effect, there would be no life for both plants and animals on the surface of the Earth.
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