<span> nucleotide bases
</span>https://www.google.com/search?q=He+sequence+of+________________+in+a+DNA+molecule+determines+the+pro...
(D), amount of time and area of physical contact between the substances
DCPIP is dichlorophenol-indophenol. It’s blue in base (DCPIP-) and pink in acid (DCPIPH). Does that help?
Nitrogen is the only one there that is not a greenhouse gas
