Physics, 09.10.2019 19:00 Katlyndavis01
The helium used to fill birthday balloons doesn’t come out of the air, but from. out of the ground. some of the gas might escape from the ground into the. atmosphere, but the majority of it is trapped in earth’s crust. based on what you have learned from the experiment, give a reasonable explanation for the presence of helium gas in earth’s crust.
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The helium used to fill birthday balloons doesn’t come out of the air, but from. out of the ground....
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