It is weathering or erosion.
Weathering.
Wearing is the process where a rock is dissolved and worn away or broken down into smaller and smaller pieces
foods are broken down into smaller parts
You might be thinking of homogenization or emulsification.
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It is helpful because it increases surface area available for the chemical weathering process.
Cracking
weathering
The process that breaks up molecules into smaller units is called catabolism. Large molecules, such as nucleic acids, are broken down into smaller molecules, such as amino acids.
The process of breaking down food is called digestion.
Then the food wouldn't process through your body.
The chemical process by which molecules are broken down into their smaller components is called catabolism.