What are biodegradable and non-biodegradable detergents? Give one example of each.

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1. ABiodegradable detergents break down into harmless substances over time, while non-biodegradable detergents do
2. BBiodegradable detergents are more effective in hard water, while non-biodegradable detergents are not.
3. CBiodegradable detergents are more expensive than non-biodegradable detergents.
4. DBiodegradable detergents are exclusively used for industrial cleaning.