It would be B that is what it is
In Europe, countries like Britain, Germany and France had abundant natural resources such as coal, iron and water which are key to industry.
For example Britain, where the industrial revolution began, had a lot of resources including water ways, waterpower, coal and iron ore. They used rivers for inland transportation. The first power source they had was waterpower, but as they started to use the steam engine, they used coal instead.
Britain also made machines, tools and building with iron ore.
Answer: Plants perform photosynthesis more efficiently when carbon dioxide is abundant. This in turn reduces the amount of carbon dioxide in the atmosphere and increases the amount of oxygen
