the pH indicator broadcloth blue is blue in alkaline solution and yellow in an acidity, such as when CO2 gas is added to a solution , causes a solution with the indicator to change from blue to yellow ? a solution with the indicator would turn from yellow to blue when which combinations of factors exists? select the two correct answers

Which source would provide the most bias-free information about smoking and increased health risks? a) a website created by heart disease patients b) a research study conducted by the mayo clinic eliminate c) a public service message sponsored by tobacco companies d) an online question forum conducted by attorneys for cardiac specialists