MCQ
Progestasert and $LNG-20$ are
- AImplants
- BCopper releasing $IUDs$
- CNon-medicated $IUDs$
- ✓Hormone releasing $IUDs$
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$I.$ Chemical fertilizers cause pollution of water bodies as well as groundwater, besides getting stored in crop plants. Therefore, environmental scientists are pressing for a switch over to organic farming.
$II.$ Organic farming is a form of agriculture that relies on techniques such as crop rotation, green manure, compost and biological pest Select the correct statement
From this equation, $\mathrm{K}$ indicates: