As sedimentation continues, the surface area of the weight that have settled to the bottom becomes greater. This allows for greater number of organism to attach to it. Thus, the answer for this item is that the weight settling onto the organism becomes greater.
Not sure if you still need this answer but i am pretty sure its the third option.
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Answer:
They are hydrophilic (they like water).
Answer:
Viroids are single-stranded RNA particles
Explanation:
Viroids are acellular particles of small circular single-stranded RNA, doesn't have its genomic material in a capsule. This RNA don’t codify proteins, they only replicate autonomously. Viroids can’t reproduce of their own, they must need host cells for its reproduction. Most of them are infectious particles causing damage to cultivated plants making an important impact on agriculture.