Define the following.. 1. Assimilation. 2. Rusting. 3. Weathering. 4. Villi.
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assimilation-Assimilation is the process of absorption of vitamins, minerals, and other chemicals from food within the gastrointestinal tract.
Rusting-Rusting is an oxidation reaction.a reddish-brown oxide coating formed on iron or steel by the action of oxygen and moisture.
weathering-Chemical weathering may be defined as the spontaneous and irreversible thermodynamic process that causes degradation of the mineral phases under the prevailing environmental conditions at the surface of the Earth.
villi-villi are the small vasuclar projections that increase the surface area of the memebrane.
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