The subordinate clause here is A, "as the layers of ash slowly compressed". Subordinate means that it cannot exist on its own, it has to be a part of the main, independent clause.
Air Pollution Effects. We release a variety of chemicals into the atmosphere when we burn the fossil fuels we use every day. We breathe air to live and what we breathe has a direct impact on our health. Breathing polluted air puts you at a higher risk for asthma and other respiratory diseases.
Answer:3: If you go to the party I will come with you.
4: She will not be very happy if she did not get that new job.
5: If you come with us you will have a great time.
6: I will not wait for you if you are late.
7: That glass will break if you drop it.
8: We will help you if we find the time.
9: I will tell Claire the news if I see her.
10: We will sleep in the tent if it doesn’t rain
Explanation:
