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Why they invented the freezer?
The Invention of the Freezer was to keep food, drink and other substances cool/frozen;hense the name'Freezer'.
Why were heaters invented?
they were invented to keep people warm
What would happen if people keep using fossil fuels?
If you keep using fossil fuels it there will be no more and you cant give off energy.
Why did people invent the refrigerator?
To keep food cold that needs to be kept cold.
Can food keep cool underground?
Yes. The temperature is always cooler underground. There have been several people who have made underground homes and gardens. We have one in this area and it gets a 100+ in the summer, but he was able to keep his home and garden cool with no air conditioning because it was underground. Before modern ways to keep food cold people had "root cellars" where they kept food because it would keep the food cooler. In some cases they would put blocks of ice in as well with sawdust to keep it from melting so fast and they could actually keep ice cream there.
What invention helped to keep slavery profitable in the South?
Cotton gin
What is one of Benjamin Franklin invention?
one of ben franklins is the bifocals because he didn't want to keep having two glasses around his neck and keep switching them
Who said three can keep a secret if two are dead?
Benjamin Franklin did in his book poor Richards almanackhope it helped
After Islam spread who helped to keep it going?
The people living and practicing their faith helped to keep it going.
What invention of Joseph Glidden's changed the frontier?
Barbed wire because it helped farmers/rangers keep their cattle from being stolen
What is the difference in Alexander Graham Bell's telephone and Ben Franklin's telephone?
it helped because then people would be able to keep in touch with each other if they went on holiday or left to life with there loved ones
What modern invention uses the directions north east south and west in order to keep people from getting lost?
People used compass to keep people from getting lost.
What was the significance of Gutenberg invention the printing press?
People did not have to keep writing the same book over and over again.
What object did Benjamin Franklin invent to keep people from being hurt in electric storms?
Lightning rod
Which invention allows modern retailers to keep track of their inventory?
Microprocessors
What was the purpose of building the Berlin Wall?
mostly to keep people inside, but it would have helped to keep opposing troops out.
What battle helped the confederates keep an important port people?
the battle at your house
