Why is the passage an example of a secondary source? The author is describing a firsthand account of the ruins of Pompeii.
The author is providing commentary on his discovery in the ruins of Pompeii.
The author is explaining what he experienced during the eruption of Mount Vesuvius.
The author is presenting evidence about the damage caused by the eruption of Mount Vesuvius.

El nino is a weather phenomenon caused when warm water from the western pacific ocean flows eastward. part1baan average of 7.7 hurricanes and 3.6 major hurricanes compares to 5 hurricanes and 1.5 major hurricanes from 1995-2005

Answerland;

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Answerencourage alternative timber sources,increase public awareness of the forests,increase research into forestry,involve local communities in forest projectsalso one of the main initiatives of the 1977 act was to introduce a new approach to forest management known as selective management system, this is recognised as one of the most sustainable approaches to tropical forestry management in the world