I believe the answer is: Different scientists use different data for investigation.
I say that because different scientists have different equipment, ideas, and have different methods. I hope I was right and i hope it helped and i wasn't to late to answer this question.
Answer:Neon
Explanation:
Less amount of energy levels
Troposphere, stratosphere, mesosphere, and thermosphere <span />
Answer:
B
Explanation:
because you are paying close attention to everything
