You didn’t put a video but trna molecules help decode mRNA sequence into a protein and transfer that protein to the ribosomes where the dna is replicated.
Answer:
Definition. The number of inhabitants in or spread across designated subdivisions of an area, region, city or country.
Topography, climate, soil, water and mineral. Social, cultural and economic causes.
Explanation:
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D. A card Catalog
Why? Because the card catalog is a "map" of where everything
It can also be an atlas