The instrument which i specially design for recording earth quake wave is called seismograph which measure earth quake waves on a ____________...?
(A) Diatonic scale
(B) Fahrenheit Scale
(C) Richter scale
(D) Celsius Scale
Richter scale
Comments
The instrument which i specially design for recording earth quake wave is called seismograph which measure earth quake waves on a ____________...?
Which is a water purification technology that uses a semipermeable membrane to remove ions, molecules and larger particles from drinking water...?
(A) Filtration
(B) Reverse Osmosis (RO)
(C) Sedimentation
(D) Distillation
Reverse Osmosis (RO)
Comments
Which is a water purification technology that uses a semipermeable membrane to remove ions, molecules and larger particles from drinking water...?