The answer is when GAS IS BURNED because when gas is burned, it cannot return into its previous state. Also, new substances are formed.
round the corners of the magnet that where it is stronger
hope this helps :)
Answer:
x=22.57 m
Explanation:
Given that
35 m in W of S
angle = 40 degrees
25 m in east
From the diagram
The angle

From the triangle OAB


x=22.57 m
Therefore the answer of the above problem will be 22.57 m