Physics
At the Curie temperature, the ferromagnetic materials get converted into

None of the others
Paramagnetic materials
Diamagnetic materials
Non-magnetic materials

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Physics
In heating frozen foods in sealed pouches in a microwaves, why do you first poke holes in the pouch?

To allow the microwaves to get into the food through the holes
To prevent the steam pressure from bursting open the pouch
To allow the aroma of the food to come out through the holes
To allow the heat to get into the food through the hole

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