Yeast eats the sugar giving off CO2 which is a gas that will inflate the balloon. Added: But since carbon dioxide is heavier than air this balloon gas will never reach the 'top'
Probably with an aquarium pump.
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This is a physical change.
Live yeast can be used to inflate a balloon if you give the yeast something to ferment (such as sugar). They then produce carbon dioxide as a waste product that could inflate a balloon. You should not expect it to be buoyant, however, for CO2 is heavy as gases go (considerably heavier than air, for instance). The yeast cannot use salt for much of anything, however.
Yes it is possible
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There IS no safe way to inflate yourself. HIGHLY dangerous. No. Don't do that.
You can inflate your shirt. You can take off a pair of ling pants and inflate them. You can keep your lungs as full as possible with air.
To inflate yourself with air, you can use a pump designed for inflating objects like bicycle tires or exercise balls. Make sure the pump nozzle fits your valve securely, and then pump air into yourself until you reach the desired level of inflation. Be cautious not to overinflate yourself, as it can lead to discomfort or potential damage.
You can inflate yourself using a pump or by blowing air into an inflatable object like a balloon or an air mattress. Make sure to use the appropriate method and follow the safety instructions to prevent overinflation and damaging the object.
The prefix in "inflate" is "in-".
It is not safe to intentionally inflate yourself with air. This can lead to serious health consequences such as damaging your lungs or causing air embolisms. If you are experiencing a medical issue that requires inflation with air, seek immediate medical attention.
Inflate is a verb.
Stick a hose up your butt, and SLOWLY turn on the water.
The abstract noun of "inflate" is inflation.
Blowfish/pufferfish inflate with water when underwater, but inflate with air when removed from that environment.