Answer:
i think its A i could be wrong, if i am feel free to correct me
Explanation:
<span>Bio-indicators are macro-invertebrates that detect Water Quality based on how tolerant they are to pollution. The number of species of each type of Bio-indicator (pollution tolerant, intolerant, and semi-tolerant) will calculate the index of the water.</span>
A way you can evaluate whether or not scientific information is reliable is by their source, reliable sources include textbooks, authorized sites, etc. Reliable info will include backing data, use objective reasoning, will not have any bias.
DNA has to be transcribed into RNA because not only can dna not leave the nuclear for translation at the ribosomes
Also for translation to occur the codons on the mRNA match up with the codons on the tRNA which is connected to the amino acids forming the chain