The pH indicator bromothymol blue is blue in an alkaline solution and yellow in an acidic solution. A slight increase in acidity, such as when CO₂ gas is added, causes a solution with the indicator to change from blue to yellow. A solution with the indicator would turn from blue to yellow when which combination of factors exists? Select the two correct answers. A. Algae in the solution are placed under a bright light. B. A water plant in the solution is placed on a sunny windowsill. C. Yeast cells and sugar are placed in the solution. ✓D. A person blows air into the solution through a straw.
ITS C AND D THESE PEOPLE ARE REDARDED
