Overhunting and overfishing can cause animal populations to grow endangered or become extinct.
Answer: Teritiary sector employment can likey increase in urban areas because, urban areas have larger population witch means that there would be more jobs to support them.
Answer: El Salvador
Explanation: El Salvador has a population density of 303 people per square kilometer (785 per square mile).
Volcanic eruptions and/or earthquakes caused by the shifting of tectonic plates
