Answer:
What happens when it is squeezed is that its volume increases, the pressure of the material increases.
Explanation:
This is due to the fact that the elastic modulus of the sponge is high and withstands broad forces without deforming its structure, since the force is made within the proportional limit of its particles without modifying or permanently deforming them, that is why when stopping doing pressure or force on it its shape returns to being the original, this also happens due to the phenomenon of resilience
Answer: Rotation cause by the earths orbit and gravity
Explanation:
3 is the frequency of the wave
Answer: 
Explanation:
According to Bronsted and Lowry an acid is a proton donor and base is a proton acceptor.
Therefore, the equation for the reaction will be as follows.
Here, 
acts as a base as it is accepting a proton and 
acts as an acid because it is donating a proton.
Answer:
Given
mass of solute (m) =50g
volume of water( v) 213m
Sln we Know density of water 1g/ml
find mass of water
D=m/v
1g/ml=m/213ml (divided by 213 ml both sides)
m =4.69xe-3
mass of solvent =4.69xe-3
mr of NaCl=23+35.5
mr=58.5
Form our formula of Malality
M=50x1000/58.5x4.69xe-3
M=182.24e3
