alleryThe heaped up cell walls of dead diatoms make up:
ADiagenetic sediment
BDiatomaceous earth
CDiamagnetic earth
DDiatropic sediment
Answer & Solution
Correct answer: B. Diatomaceous earth
1. Diatom walls survive for billions of years.
2. They pile up in the habitat as a gritty soil.
3. That soil is diatomaceous earth.
_Source: syllabus Biology, Ch 2 'Biological Classification'_
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