Answer
Sounds travel slowest in gasses so it would be air
Iron has the chemical formula Fe from its Latin name, ferrum. Its atomic number is 26, and its molar mass is 55.845 grams per mole. It has a metallic gray color and is attracted to magnets. Iron is the second most-abundant metal on Earth.
Answer:
Carbon is bigger
Explanation:
There are twice as many number of hydrogen-to-oxygen atoms. This applies to carbon atoms as well when compared to hydrogen atoms.
A troposphere because that is where all the CO2 and where we live
Answer:
A Planet
Explanation:
The earth for example, is a large body that orbits the sun, our local star
