I actually had a similar question on my test and this is the answer:
The reason the magnet loses its magnetic properties is is because when you drop the magnet or bump it against something, the domain can get bumped or dropped out of alignment.
Hoped this helped :)
Have a great day <span />
Answer:
the antibiotics may stunt the growth of the piglets
Explanation:
<span>The bacteria make proteins from the inserted modified genes.</span>
A) Genetic Engineering; this is the logical and « real » choice.