24 ms·
Probably natural gas: https://www.arm.gov/capabilities/observatories/nsa/locations/c1 https://www.arm.gov/capabilities/observatories/nsa/locations...
by gs17 3y ago
Probably natural gas:
https://www.arm.gov/capabilities/observatories/nsa/locations/c1 https://www.arm.gov/capabilities/observatories/nsa/locations...
- PaulHoule 3y agoI know people have filled balloons with hydrogen that they made by mixing an acid with a metal.