Most elements are rare.How many elements make up approximately 99% of the mass of theearth's crust,oceans,and atmosphere?
A)2
B)4
C)7
D)10

Name: Most elements are rare.How many elements make up approximately 99% of the mass of theearth's crust,oceans,and atmosphere? A)2 B)4 C)7 D)10
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The Answer of Most elements are rare.How many elements make up approximately 99% of the mass of theearth's crust,oceans,and atmosphere?
A)2
B)4
C)7
D)10

Most Elements Are Rare