Page 30 - Science E-Book Prep.2 2024-2025 1st term_Neat - Copy
P. 30
How to keep water from pollution?
1- Preventing throwing wastes of factories and dead animals in
water.
2- Developing water purification station and do a periodicalanalysis
for drinking water.
3- Disinfection of the drinking water tanks periodically.
4- Don’t store the tap water in plastic bottles.
Because Plastic reacts with chlorine gas in water and so increase
infection rate of cancer.
2nd Prep. First Term 30
