South Pole and north Pole . it's about megnetic field different spheres of earth interact
Answer:
Kinetic Energy
Explanation:
Kinetic energy is the energy inside moving objects of things.
Mass......................
Answer : The mass of of water present in the jar is, 298.79 g
Solution : Given,
Mass of barium nitrate = 27 g
The solubility of barium nitrate at
is 9.02 gram per 100 ml of water.
As, 9.02 gram of barium nitrate present in 100 ml of water
So, 27 gram of barium nitrate present in
of water
The volume of water is 299.33 ml.
As we know that the density of water at
is 0.9982 g/ml
Now we have to calculate the mass of water.


Therefore, the mass of of water present in the jar is, 298.79 g
I believe it is C, as helium is one of the lightest noble gases making the particles move faster.