Fossil fuels include………
a) coal
b) oil
c) gas
d) all of these
The leading
greenhouse gas is ………
a) oxygen
b) methane
c) carbon dioxide
d) ozone
The unplanned removal of trees on large scale is called………
a) afforestation
b) reforestation
c) deforestation
d) all of these
The major cause of deforestation is/are……
a) urbanization
b) infrastructure development
c) timber and wood for fuel
d) all of these
Interactions In Ecosystem:
………occurs when
living organisms have to use common resources for their survival.
a) predation
b) competition
c) symbiosis
d)
none
