Your answer is 1-3-2-4 , grass sand water rock
PH= -log [H+]
= - (log 0.034)
= - (-1.5)
= 1.5
Answer:
Looks like they're all right
Advantages of using tidal energy:
-Environment-friendly
-A highly predictable energy source
-High energy density
-Operational and maintenance costs are low
-An inexhaustible source of energy
Disadvantages of using tidal energy:
-High tidal power plant construction costs.
-Negative influence on marine life forms.
-Location limits.
-The variable intensity of sea waves.