Pesticides are useful to farmers yet considered as pollutants. Given reasons.
Asked by Topperlearning User | 21st Nov, 2013, 11:32: PM
Pesticides kill insects and pests thereby protect the crops but these pesticides remain on the crops which enter the food chain and get accumulated in the organisms at the top most tropic level that causes diseases. When these are washed away by rain river water, it also causes pollution.
Answered by | 22nd Nov, 2013, 01:32: AM
Explain biomagnification with the help of DDT in water i.e. in the food chain
phytoplankton→zooplankton→small fish→big fish→human
1.What is ozonification & deozonification?
sir i cannot understand the environment chapter of class 10.Can you please explain me
Name two waste material which can be recycled
Depletion of ozone layer
Suggest a way to dispose vegetable peels so that the environment is not polluted
Explain how the pesticides enter a food chain and subsequently get into our body
Do oxygen exist above the ozone layer ?
why should biodegradable and non-biodegradable wastes be discarded in two different dustbins ?
WHAT IS EUTROPHICATION
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