directions: select the correct answers. identify the three most abundant elements in earths atmosphere…

directions: select the correct answers. identify the three most abundant elements in earths atmosphere. elements on earth ar argon cl chlorine cu copper o oxygen f fluorine si silicon fe iron mn manganese n nitrogen
Answer
Brief Explanations:
Earth's atmosphere is mainly composed of nitrogen (about 78%), oxygen (about 21%), and argon (about 0.93%). These are the three most abundant elements in the atmosphere.
Answer:
Ar Argon, O Oxygen, N Nitrogen