Classify the following changes into desirable and undesirable change :Growing up of seedlings into plants,conversion of dung into manure, rusting of iron,souring of milk, breaking of a cup, drying ofclothes, melting of ice, earthquake and eruptionof volcanoes, ripening of fruits, curdling of milk.

Classify the following changes into desirable and undesirable change

1.	Classify the following changes into desirable and undesirable change :Growing up of seedlings into plants,conversion of dung into manure, rusting of iron,souring of milk, breaking of a cup, drying ofclothes, melting of ice, earthquake and eruptionof volcanoes, ripening of fruits, curdling of milk.
Answer» Explanation:undesirable :rusting of iron ,souring of milk ,BREAKING of a cup ,earthquake and ERUPTION of volcanoes ,melting of ice.desirable :GROWING up of seeds into plants ,CONVERSION of dung into manure ,DRYING of clothes ,ripening of fruits ,curdling of milk.