HELP PLS
Use one example to explain how human activities can upset the natural balance of an ecosystem. Write about human activities and their impact on ecosystem members.
Example
The reason: a person builds a dam on the river during the construction of the hydroelectric station.

Consequence: Instead of a fast-flowing river, a reservoir will be created, the conditions of which are not suitable for invertebrates adapted to fast-flowing and oxygen-rich water, which will perish. The cracks do not enter the spawning grounds and do not produce offspring. A new, species-poor ecosystem is emerging.

The reason


Consequence

emerging idea only occurs as a raw idea that could appear out of nowhere. meanwhile, to reach scientific consensus , that idea must be structured and tested over and over again through various experiments. the scientific consensus transforms the raw idea into idea that is more reliable through the process of scientific elimination.

the answer is lactic acid from anaerobic respiration. the acid in lactic acid is what creates sore and burning muscles. if you think about how acid burns that will give you a clue for questions like this.

they had the law tat factories that produces smoke cannot be built near residential buildings.

building of proper sewage system was done to ensure that the waste is carried away from the humans so that they do not get diseases from it.

also they built water systems to provide water in those areas which are drought prone.