Nelly was reading about ecological pesticides. She found a website that said that skeletons of some organisms settle as sediments in the ocean. They are then used as pesticides because they are abrasive against pests. Which organism is the article discussing?
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Explanation:
The correct answer is option (B) Diatoms.
The term Diatoms mean that the photosynthetic, unicellular matter celled algae traced in oceans with a characteristic skeleton made up of the silica comprising a huge amount of fossil deposits.
This fossilized matter the diatoms are termed as diatomaceous earth or diatomite. This is a kind of siliceous sedimentary rock belonging to diatoms are converted to a powdery mass.
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