Cause they can't afford a house they don't have enough money for it hope this helps
The first one is a the second one is a i think the third one is a and the last one is b
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.
