Question

plss answer this question fast

Answer 1

Floods
Less
Oceans
Q5)
i) urine, excreta, vegetable matter, leftover meat piece
ii) methane
iii) chlorea
iv) detergents, soapy water, urea, etc
Q6) true
Q7) heart attack
Q8) i) since manure is an organic fertilizer it is easily decomposed by bacteria and it doesnt cause any pollution.
ii) they can't be decomposed by bacteria easily and it also alters the chemical compostion of sewage
iii) It helps aerobic bacteria to grow which decompose organic matter like human waste
iv) oils and fats harden and block the sewage pipes