Answer: A
Explanation: your brain naturally desires a reward and will do whatever to get that reward
A professor of microbiology.
Must be C as the others just don’t sound right
Maintain a clean and healthy home as an example for others to follow is the correct answer.
As they say every good thing or initiative starts from yourself. If you want the country to be clean and pollution free then first of all you have to stop polluting.
Obviously then the others will watch you and learn a good ting or two and follow you or get inspired by you and then stop polluting.
The answer to this question would be "A" I believe.
