The correct answer is 9πr^2
I know because I just took the quiz.
Explanation:
Indicators are substances that are used to test whether a substance is acidic or basic ot neutral in nature. They change their color when added to a solution containing an acidic or a basic substance. ... Naturally occurring indicators are turmeric, litmus, china rose and red cabbage.
Wood bussiness. There a lot of illegal choppers doing wood traffic. It’s a big issue and many towns and peasants fight against them.
C. cultural combination.
the religions, languages,dress, foods. and costoms are all apart or cultural and when 2 are combined it is known as cultural combination.
