Answer:
<em><u>As the instructor, you supply the carbon source by blowing bubbles in phenol red. The carbon dioxide in your breath will dissolve in water to form carbonic acid, which lowers the pH of the solution. Phenol red turns yellow in a pH lower than 7, revealing in this case the presence of a carbon source.</u></em>
Explanation:
mark me as a brainlist plz.
Carbon levels will go up because trees store carbon
Answer: C. Prevailing winds
Explanation:
Several factors influence the direction of the sea current, and the prevailing wind is one of them. Surface winds are certainly one of the most critical factors affecting the direction of movement. In addition to this factor, the evolution of the sea current is also influenced by the earth's rotation, temperature, the attractive force of the moon and river flows.