I had the same question and the answer was C OR A.
Answer:
Because it usually takes a long time, and is a very long process.
Explanation:
Answer:
Carbon dioxide from the air is used to produce food for plant growth. Carbon moves from plants to animals when animals eat the plants. Also, Carbon moves from living things to the atmosphere. Each time you exhale, you are releasing carbon dioxide gas (CO2) into the atmosphere.
The burning of fossil fuels also releases carbon dioxide into the atmosphere.
D, Proline and Valine.
The DNA strand C C A G T C codes for the Amino Acids <u>Proline and Valine.</u>