The atmosphere contains the air we breathe
Answer:
Science, Science, Science!
Explanation:
Reeeeeeeeeeeeeee
Answer:
It has its elements with mass numbers phrased in many decimal places, it requires one to round off to get the actual value.
The atomic numbers of some elements such as Protonium were just guessed.
Answer:
I think it's (B) decrease
well, without the article, I'm guessing the main idea is about the Great Wall of China