what environment biological weathering
1 Oxidation: This occurs within the chemical environment and makes the rocks soft. 2  Biological: Biological weathering is when acidic chemicals are released by plants and animals. 3  Carbonation: When carbon dioside is added to the rocks and minerals it may result in their dissolution. is a chemical weathering process affecting Silicate minerals. 2  In such reactions, pure water ionizes slightly and reacts with silicate minerals. 3  Oxidation: This occurs within the chemical environment and makes the rocks soft. 4  Biological: Biological weathering is when acidic chemicals are released by plants and animals.