Polyaromatic hydrocarbons (PAHs) in the water environment: A review on toxicity, microbial biodegradation, systematic biological advancements, and environmental fate by Vijayanand, Madhumitha, Ramakrishnan, Abiraami, Subramanian, Ramakrishnan, Issac, Praveen Kumar, Nasr, Mahmoud, Khoo, Kuan Shiong, Rajagopal, Rajinikanth, Greff, Babett, Wan Azelee, Nur Izyan, Jeon, Byong-Hun, Chang, Soon Woong, Ravindran, Balasubramani