Which of the following is NOT an example of sustainable logging? practicing selective cutting when logging trees
replanting new trees in areas that have been cut
harvesting trees in ways so they drop seeds behind
leaving diseased trees to infect other trees

Leaving diseased trees to infect other trees

Explanation:

Sustainable logging refers to methods that balance the needs of people with the needs of the environment such that forests are protected in the long term.

These include selectively cutting trees so that others can remain and thrive, replanting new trees and harvesting in such a way that room for continuity in terms of seed dispersal is possible.

When a tree is infected with disease however, leaving it could be detrimental to the survival of trees in the area as the infected tree could infect others. When a diseased tree is noticed, swift action should be taken to mitigate the threat by either treating the tree or if it is too infected, cutting it down.

c. heat from the poles back down towards the equator.