The most appropriate answer, i believe, would be C. There's tremendous biodiversity in the plant life of the tropical rain-forest.<span />
Not recycling/agricultural waste, oil spills, population growth, use of fertilizer/pesticides
Answer:
The davis's geomorphic cyclic theory raised some of the problems that the davis's concept of the upliftment creates problem so that is why it is unacceptable as it basically described the rapid change in the rate of the upliftment in the very short duration.
And the concept of the correlation in the upliftment and erosion are erroneous as, according to the concept no erosion occurred unless the upliftment process are completed.