Question

Question 2 options:

Answer 1

The question was; which of the following examples posses the greatest potential threat to biodiversity?
The answer would be; A, constructing oil gas pipelines through old growth forest. 
Biodiversity refers to the variability and variety among living organisms from all sources, including terrestrial, marine, and other aquatic ecosystems and the ecological complexes of which they are part. Human activities poss great threat to biodiversity, these include defforestation, and others like construction which involves destruction of trees and other habitats for living thing.