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Question 3 (5 points)

(03.03 LC)

Which gas is the least abundant in Earth's atmosphere?

a
Argon

b
Carbon dioxide

c
Helium

d
Neon

User GrantVS
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2 Answers

4 votes
B Carbón dioxide
Not sure
User Sagar Raj
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13 votes
Argon is the least abundant gas. The atmosphere only contains 0.9% argon.
User Lohith MV
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