9. Which is the second most abundant element in the universe?
a, carbon
hydrogen
b. helium
d. oxygen​

9. Which is the second most abundant element in the universe?
a, carbon
hydrogen
b. helium
d. oxygen​

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Hadley

2 thoughts on “9. Which is the second most abundant element in the universe?<br />a, carbon<br />hydrogen<br />b. helium<br />d. oxygen​”

  1. ANSWER:-

    Helium is the most abundant element in the universe.

    REASON:—

    As it comprises 24.0% of the universe as an element.

    (According to the Encyclopedia. com)

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