____________________ Treatment Uses Biological Methods Such as Digestion

Q8: Which of the following is not a

Q9: Nitrates and phosphates are examples of<br>A) disease-causing

Q9: MATCHING<br> <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB5012/.jpg" alt="MATCHING

Q10: A number of technologies have been developed

Q11: An aquifer that is bound above and

Q12: Draw a pie chart to represent the

Q15: Natural flooding is caused mostly by<br>A) rapid

Q16: The major sources of stream pollution in

Q17: The Aral sea disaster led to all

Q18: <img src="https://d2lvgg3v3hfg70.cloudfront.net/TB6698/.jpg" alt=" -On the groundwater