Annoying user "Living under a bridge"

its for a crossword

When a septic tank backs up a goes in to clean it out

Geothermal energy for industrial use is available almost anywhere. a.true b.false

Which buffer would be better able to hold a steady ph on the addition of strong acid, buffer 1 or buffer 2? explain. buffer 1: a solution containing 0.10 m nh4cl and 1 m nh3. buffer 2: a solution containing 1 m nh4cl and 0.10 m nh3