Throwing substances such as used tea leaves and leftover food in the drains should not be done. These activities choke the drains and kill the microbes. Also, detergents are non-biodegradable and their use should be avoided.
On the other hand, soaps are biodegradable and do not choke the drains.
if my answer is correct why have they given it wrong
and also this is the 5th time this is happening.please do something so that this doesnt happen in future
waste segregation
1) What is wastewater?
2) What is activated charcoal?
i got this question wrong:
Substances such as soap can easily be broken down by other living organisms. Thus, they are biodegradable. On the other hand, substances such as detergents break down after thousands of years. Thus, they are non-biodegradable.
Which of the following activities is performed by an environment-friendly person?
and the answer they gave is:
Throwing substances such as used tea leaves and leftover food in the drains should not be done. These activities choke the drains and kill the microbes. Also, detergents are non-biodegradable and their use should be avoided.
On the other hand, soaps are biodegradable and do not choke the drains.
if my answer is correct why have they given it wrong
and also this is the 5th time this is happening.please do something so that this doesnt happen in future