I'm not really sure, but I guess skin colour isn't passed genetically?
It would be A; Or 0 because since the dominate trait is being able to roll the tongue, it over rules the recessive.
They use the directions found in DNA to make Proteins & Polypeptides.
He sailed on the HMS Beagle to serve as a naturalist.
Answer:
stored solar energy in phytoplankton, zooplankton, and other organic material
Explanation:
The energy in fossil fuels comes from the sun, which drives photosynthesis to change carbon dioxide and water into the molecular building blocks of ancient plants and animals.