The test for this is fairly simple.
We take a glowing match or splint near the gas sample, if the glow intensifies, oxygen is present.
If a lit splint or match goes out with a popping sound, this means that hydrogen is present.
Ice has a lower density than the density of water.
Answer:
potassium contains both Ionic and covalent bonds
One, it's weather connects to science.
The more carbon dioxide can be related.