13. The geological theory that states that pieces of Earth's outer layer are in constant, slow motion is the theoryof *
subduction.
plate tectonics.
sea-floor spreading
deep-ocean trenches.

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)

Spring tides, when the high tides are at their highest and low tides at their lowest. what is it about these positions that causes these high and low tides?

Plz ! ive been stuck on this forever