Answer:
maybe if you posted a picture of the story i can help you
The answer is B because it's 80 percent copper, that's a greater number then 20.
So, basically, it might have different quantities, such as Carbon Dioxide (CO2) and Carbon Monoxide (CO), which are both made up of Carbon and Oxygen, but Carbon Monoxide has less oxygen. And they both have different properties, like CO is poisonous.
Explanation:
the answers are the first 3.
I believe the answer is valcanos because they release sulfur in to the air and other chemicals so it willl affect the anispher
