What does a j shaped curve do

Are these strong bases, neutral, strong acids, weak acids or weak base household bleach (ph=12.6) fluid in a car's battery (ph of less than 1.0) milk (ph=6.7) stomach contents (ph=2.2) pure water (ph=7)

The instructions for making proteins come originally from

Me . based on the data in your tables, did the light-colored moths have a higher or lower survival rate after the industrial revolution?