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Are the balloons
biodegradable?
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Where does the gas end up
and does it cause global warming?
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What about using balloon
valves?
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Shall we tie ribbons onto
the balloons?
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- Yes they are
- It reaches the upper atmosphere and diffuses out into space. Helium
is not a greenhouse gas.
- Valves are not biodegradable -do not use.
- Ribbons can cause suffering to animals - do not use.
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