A. the effect of diseases and pests
B. industrial pollution
C. mining and extraction activities
D. population growth
Correct Answer:
Option A – the effect of diseases and pests
Explanation
The most direct economic impact of a trans-boundary pest or disease is the loss or reduced efficiency of agricultural production weather of reduced productivity on crops or animals can be long-lasting. Although the loss of output from a trans-boundary pest or diseases may appear easy to identify, it can nevertheless be difficult to measure in precise economic terms.
