The most abundant metallic element by mass in Earth’s crust makes up 8.23% of the crust. Which group of minerals all normally contain this metallic element in their compositions?

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so whats the answer

weathering - colorado river carves land in arizona to form the grand canyon. cracks form in a sandstone wall surrounding a house. a marble statue near the science museum is changing color due to rainfall

erosion - after a rainstorm, soil and rock piees litter the roadways. the sand dunes in the sahara desert are changing shape.

here's your answer.

looks like the answer is     c     to me!