What do most mineral on Earth's surface contain?

Explanation:

shallow sea  

A shallow sea is best choice, although both are evaporites and would most likely be formed as either the sea evaporated, or in a playa setting (dry lake bed in a desert)

oxygen and silicon

Explanation:

https://courses.lumenlearning.com/earthscience/chapter/minerals-and-mineral-groups/

"Nearly all (98.5%) of Earth’s crust is made up of only eight elements – oxygen, silicon, aluminum, iron, calcium, sodium, potassium, and magnesium – and these are the elements that make up most minerals."

Of available answers:

a) nitrogen and oxygen

b) sulfur and hydrogen

c) silicon and nitrogen

d) oxygen and silicon

Only oxygen and silicon are both included on the list

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