Question

mention how extraction of petroleum effects environment

Answer 1

because many processes take place in the extraction of petroleum and many types of machines are used in this processes of extraction so the machine harms the soil and sometime it's leads to soil erosion

Answer 2

extraction of petroleum effects environment , it means that during extraction the energy used and gases released are harmful which damages human respiratory system and in many oil companies they give vacation to there employees because of medical and health issues .