in the earth's atmosphere is made up about approximately 78 percent nitrogen and 21 percent oxygen.
both plants and animals can if that helps. So any living being I think...
The answer would be B i believe<span>(a protease) begins the chemical digestion of protein</span>
The practically boundless varieties of antibodies can be produced using one arrangement of qualities is introns and exons take into account one quality coding to really code for a wide range of antibodies. Amid the procedure of RNA grafting, introns are evacuated and exons joined to frame a bordering coding succession.
I am not exactly sure but I would gn with protein because DNA does not look like that is how the cell is so maybe protein or starch
