Answer:
I think section #3
Explanation:
When i was in science class in my memory it was always in that area
Calcium = 1
Sulfur = 1
Oxygen = 4
Answer:
A.
Explanation:
It would be A. because the question is asking how the harmful chemicals have an effect on the environment. This answer also proves that even though we don't mean to harm the environment it still happens because we are using these chemicals for things in our daily life.
Explanation:
because Xenon is Noble gas