Physics
Which of the following is correct about the properties of Gravitational Forces?

They observe inverse square law
Both a and b
None
They are the strongest forces in nature

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

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