It is the producers. They make their own food and are food for the consumers to eat. Like us the, Humans.
Answer: Ribose nucleotides and the nitrogenous bases
Explanation: RNA consists of ribose nucleotides (nitrogenous bases appended to a ribose sugar) attached by phosphodiester bonds, forming strands of varying lengths. The nitrogenous bases in RNA are adenine, guanine, cytosine, and uracil, which replaces thymine in DNA.
<span>quartile values..................</span>
I believe that it would be that mass and texture affect the amount of friction. Hope this helps!