Afactory at a low elevation ships bags of popcorn to cities at high elevations. why does the factory manager need to monitor the amount of air in each bag

Explanation:

Since factory is at low elevation, therefore, there will be more pressure. Similarly at high elevations there will be low pressure.

So, when bags of popcorn move from low elevation to high elevation the factory manager need to monitor the amount of air in each bag because if there are too many molecules in the bag then it will pop as it goes from high to low pressure areas.

african americans demonstrated their newly found freedom by relocating often in search of relatives whom they had been separated from during slavery. others established schools to educate freed people and they built institutions such as churches and political organizations to advocate for their rights.

explanation: it gains negative electrons, therefore becoming negatively charged. as charge cannot be created, nor destroyed, only transferred, this leaves the wool positive. now that they have opposite charges, the two items attract.