The resources of service makes up of the average americans ecological footprint

Explanation:

Americans has exceeded  the limit of it's consumption of annual ecosystem. Ecological Footprint works by calculating the demand of population and supply of the environment.

Demand side: The Ecological Footprint estimates the ecological assets like plant-based product, timber, livestock, etc that a population requires for producing the natural resources it consumes and the absorption of waste.

Supply side: Americans bio capacity or supply estimates the production of its ecological assets like cropland, grazing land, forest land, etc. If these areas are left unharvested, much more waste that are generated will be absorbed.

an active site is a region that is present on an enzyme where the reactants or the substrate molecules we can say bind and experience a chemical reaction. the substrate is basically a reactant whose concentration is changing and that is converting into a product after binding at the active site of an enzyme

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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