Approximately 90% of the Earth's crust is composed of what type of compounds?
A)carbonates
B)oxides
C)silicates
D)sulfides

Question

Quizplus · Accepted Answer

Silicates are a type of mineral compound that make up approximately 90% of the Earth's crust. This includes minerals such as feldspar, quartz, mica, and clay minerals. Carbonates, oxides, and sulfides are also present in the Earth's crust, but in smaller amounts compared to silicates.

Approximately 90% of the Earth's Crust Is Composed of What