A) The fall in population of plants due to human activity
B) It is the warming of earth’s surface due to its atmosphere
C) The polluting effect of burning fossil fuels
D) The heating of the atmosphere due to depletion of the ozone layer
A) The fall in population of plants due to human activity
B) It is the warming of earth’s surface due to its atmosphere
C) The polluting effect of burning fossil fuels
D) The heating of the atmosphere due to depletion of the ozone layer