Answer: Carbon Dioxide, Nitrogen, Argon, and oxygen.
Explanation: Earth's atmosphere is 78% nitrogen, 21% oxygen, 0.9% argon, and 0.03% carbon dioxide with very small percentages of other elements.
Answer:
Select
a and c
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The term scientific methodology has to do with the process by which knowledge is acquired in science.
<h3>What is scientific methodology?</h3>
The term scientific methodology has to do with the process by which knowledge is acquired in science. This process usually involves the heavy use of experimentation.
First the scientist carries out an observation which leads to the propounding of a hypothesis which is then tested by experiment before it could be accepted as a fact.
Learn more about scientific methodology:brainly.com/question/14368636
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