Physics
The law of conservation of energy states that

Energy can neither be created or destroyed
Energy can either be created nor destroyed
Energy can neither be created nor destroyed
Energy can either be created or destroyed

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

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