Refrigerator was what is commonly used today. We do dry foods and salt cure but that is not done on a daily basis
Nine times more (squared speed)
I'm not sure if a figure or some choices go along with this, but the closer to the sea floor the diver is, the lower the potential energy
Answer:
Speed - scalar
Velocity - vector
Displacement - vector
Distance - scalar
Measurement - scalar
Measurement and direction - vector
60 m north - vector
100 m west - vector
200 m/s - scalar.
The periodic sign of magnesium is ------> mg
