Answer:
There are <u>three</u> differences: pronunciation, spelling, and vocabulary.
Explanation:
Answer:
D indicating the extra sources you used to understand the text
I don't think that this classifies as an English question but I'll try to answer it. I think some of the causes are factories, where they can cause air pollution. Results would be the harming of our environment, global warming, and damage of historical monuments. I hope this helps. Next time try to post a question in the correct category. Have a nice day.