Question

why these industries are hazardous

Answer 1

the industries are hazardous because the produce harmful wastes.it causes air pollution and water pollution which in turn leads to global warming.

Answer 2

⏺heya friend !

☣ here's your answer :-

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✔WHY THE INDUSTRIES ARE HAZARDOUS?

➡well, as you will be knowing, the industries manufacture goods and they release their waste ( consisting of harmful gases) in the atmosphere.
➡they release the dangerous and hazardous smoke and particulate matter in the air , which pollutes the air , affects the living organisms particularly respiration of humans, animals and plants.
➡in humans, even respiratory problems and lung cancers may be caused by these gases.
➡another thing is that , these industries release or throw out their effluents in the rivers nearby.
➡these effluents are usually chemicals and pollute river water.
➡they cause thermal pollution and also it makes it difficult the survival of marine animals in that river.
➡so , it causes destruction in the ecosystem.

⚫thermal pollution :- effluents are basically the fluids used in industries for cooling of hot machines there , so they also become hot and when they are discharged in rivers , they cause warming in that river .this is called thermal pollution.

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i hope it helps u !!!☺