Correct answer
C. Cyanides and phenols
Explanation
The correct answer is Cyanides and phenols.
Additionally, there are attributes, which, theoretically, all agroforestry system possess are:
What are the objective and necessity of a separate and special forest law?
BOD value of sewage water than that of tap water is:
The CFC pollution sources include:
A branch of ecology which is concerned with the study of individual species at all stages of its life cycle in relation to environment is called:
Agriculture is the mainstay of the economy, contributing about 30% of GNP and employing ________ of the labour force: