What are large molecules make up of smaller molecules called?

Polymers are large macromolecules made up of smaller molecules called monomers. For example, monomers called monosaccharide’s are joined together to form polymers called polysaccharides.

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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.

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