problem 1: Fill up the blanks:
a) Farming on a small land to grow just adequate food for a small group of individuals is termed as _____________.
b) Which of the two favors more disease outbreak – Monoclature or the traditional farming?
c) Over-nourishment of water bodies with phosphorus and nitrogen due to surface run-off is termed as _________.
d) The pests which can withstand all kinds of pesticides are termed as _____________.
e) Excessive irrigation frequently leads to _________ and ________.
f) Good quality herbaceous plants are substituted by poor quality thorny shrubs as an outcome of ___________.
g) Collapsing and downward movement of land resultant in tilting of houses and buckling of the roads is termed as ___________.
h) Ozone layer protects the living organisms on the earth from harmful effects of ______________.
i) Even renewable resources can become non-renewable when the consumption is more than ___________ capacity.
j) ___________ is the worst kind of urban settlements showing highly degraded environment.
problem 2: Answer the given problems:
a) Compare the effects of traditional versus the modern agriculture.
b) Describe the impacts of over-grazing by cattle.
c) How do sub-surface mining and surface mining influence the environment?
d) Describe, Industrialization leads to urbanization.