(2) a base because they accept H+ ions. NH3 is the conjugate base of NH4+.
It's actually C because the rock cooled fast
Answer:
A toilet requires a large amount of cold water to flush. So, when the toilet flushes while you're in the shower, it's stealing from your shower's cold water supply. When the pressure-balancing valve senses the drop in cold water pressure, it responds by restricting the hot water pressure.
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