<h3>
Answer: CO2</h3>
Explanation:
Well C2H6 there are 2 carbon and 6 hydrogen atoms
and having no number on the right of the letter means there is only one atom
It would be the top soil. The most dissimilar layer is the uppermost layer.
Answer: Groups of atoms with aligned magnetic poles are called magnetic domains. Each domain contains an enormous number of atoms, yet the domains are too small to be seen with the unaided eye.
Explanation:
The result of this would be H₂O.
H₂0, is nothing but water.
A chemical reaction is occurring.
Hope this helps! :D