la verdad no se la repuesta si me la hubiera sabido si te la hubiera dicho
Coal is considered a non renewable source because the earth cannot replenish it.
A weak bond in which a Hydrogen atom in one Molecule is Attracted to an electronegative atom (usually nitrogen or oxygen) in the same or different molecule. A type of chemical bond where two atoms are connected to each other by the sharing of two or more electrons.
Because there is little leaching.
