Answer:
The reason why it's so important to know the scale of a map is because, when you look at a map its not only what direction that your going that's important its how long and far or big your surroundings are, otherwise you'd never be able to find your way properly and may result in you getting lost
Answer: industrial emissions and motor vehicles smokestacks fuel combustion
Explanation: All of these are anthropogenic causes of acid rain.
Hope this helps! :)