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why isn’t ddt an ideal pesticide? select all that apply.

it did not work well at wiping out the insect population.
over time insects started to become resistant to ddt.
ddt contaminated ground water and runoff into streams, rivers, and oceans.
ddt decomposes very slowly.
readily absorbed by animal tissue.
causes cancer in humans.

The correct answer will be option- all options except  It did not work well at wiping out the insect population are correct.

Explanation:

DDT or is the first modern synthetic insecticide used by the farmers.

Earlier it proved beneficial to the farmers but later it proved lethal to humans as it caused many hazards to the environment like:

1. caused contamination of groundwater and running water due to leaching or washing from the fields.

2. DDT proved fatal as it is non-degradable and if then slow degradation.

3. stored in animal fat tissue like in Hawks and Eagles.

4. cases of human cancer reported and increased due to the consumption of this DDT.

5. Insects like a house fly evolved resistance to DDT.

Thus, all options except It did not work well at wiping out the insect population are correct.

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