Rusting, pollution and the spoilage of food.
1.bombs 2.burning 3.rusting 4.tumour growth
such as Pt used in treatment of cancer,but it is harmful because it emits radiation with high energy which destroy our body cells
Rusting is simple oxidation.
Rusting is exothermic.
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useful photosynthesis cooking food process of digestion harmful pollution rusting taking highly acidic food
useful photosynthesis cooking food process of digestion harmful pollution rusting taking highly acidic food
Rusting is an oxidation reaction.
lion are useful and harmful
hey that's my question
hey that's my question
It is not harmful. Also it is not useful
are there harmful and useful bacteria
ozone can be a useful and harmful substance
The changes talking place in our surroundings and which are useful to us are called Useful changes. The changes which are not useful but harmful are called Harmful changes
useful