D. Greenhouse gas feddback
I'm not for sure but I believe this is the answer sorry if I get it wrong in advance
Answer:
Explanation:
It helps in assessing the level of pollution in relation to the air quality standards. Standards are a measure to set the target for pollution reduction and achieve clean air.
Answer:
Hii, well there is Mandarin, Malay, English and Tamil. But, English has been the predominant language in schools though so I assume English would be your answer.
Hope this helps!
