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6 votes
I really need some help with this. The question is in the photo

I really need some help with this. The question is in the photo-example-1
User Daedalus
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3.1k points

2 Answers

10 votes
The big boy answer is D
User Plantage
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3.4k points
9 votes
ANSWER:
D

EXPLANTION:
Every one the these option can make the magnetic field increase.

FUN FACT:
Magnetic resonance imaging machines use magnets, and they generate stronger fields than the Earth

I hoped this helped and have a great day :3
User TechWatching
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3.0k points