The answer to this is nucleic acids.
1 - The most common emission and byproducts that are generated by burning coal are carbon dioxide, nitrogen oxides and dioxides and CCPs in genearl (coal combustion products).
2 - Mercury is a heavy liquid metal with some toxical properties. When ingested (most commonly trough water) can be fatal [for further info search Mercury Poisoning]. Something I should also point out is that most of the contaminated water sources are residual waters.
Hope it helped,
Happy homework/ study/ exam!
Answer:
The blood type would still be AO because A is the dominant allele for the specific combination.
The wind blows east to west because both are below 30' north of the equator. hope this helped! :)
