The answer would be A and it’s a good explanation of the question
Answer: A. Essential (flexible) expense.
Explanation:
Edge 2021
I don't think there's a specific age where a dog becomes an "adult", but different types of dogs become fully grown at different times, which may be what the question means by "adult". So technically, there is no specific answer for all breeds of dogs.
Answer:
Take the magnet which has lost its power and stroke it with the stronger magnet. Linear strokes in a single direction will realign the electrons within the magnet, which will help its strength to increase. Stroke the magnet for around 15 minutes, and check to see if the strength has returned.
I hope this helped! :)