The impact of human activities on environment :
industries : Owing(due) to industries , plants and air get spoil. owing to this decrease in plants the oxygen level is also decreased. Several animals and plants were depending on plants for food etc,
pesticides : pesticides are used on the crop field for the protection of crop field from insects. these pesticides results in killing some useful insects.these decreases fertility of soil.
deforestation: due to deforestation , it causes decrease in rainfall and also cause pollution. deforestation has also even results in decrease in number of plants. Number of animals also been decreasing.
pollution: There are many types of pollution they are :
soil pollution, air pollution, water pollution and sound pollution. owing to tn to smoke released by vehicles and industries air pollution occurs. By releasing some chemicals from industriesb they are mixing with water and this leadsto wter pollution