Answer:
The quantities which do not depend on other quantities is called fundamental qiantity. For eg; time,current,lwngth etc...
Hi, your answer is false.
I hoped I helped and if you need more you could always ask me :)
-Dawn
Pretty sure it is B.
Because inertia is a tendency to do nothing or remain unchanged.
Answer:

Explanation:
From the question we are told that
The number of turns is 
The radius is 
The position from the center consider is x = 3.45 cm = 0.0345 m
The induced emf is 
Generally according to Gauss law

=> 
Where A is the cross-sectional area of the solenoid which is mathematically represented as

=> 
=>
ggl;
Here
is the permeability of free space with value

=> 
=> 
It is a Physical Change, because the water and the salt kept their original properties. I hope this helps! :) Have a great day!