Answer:
The study island answer is "Remediating the mines keeps the contaminants from entering a watershed."
Explanation:
Many contaminants, particularly heavy metals, pollute the area around abandoned mines. If these contaminants enter the watershed, they can kill many organisms that live in that environment.
Answer:
In the nucleus of each cell, the DNA molecule is packaged into thread-like structures called chromosomes. Each chromosome is made up of DNA tightly coiled many times around proteins called histones that support its structure. ... DNA and histone proteins are packaged into structures called chromosomes.
Index Fossils <span>can be used to determine if two rock layers were deposited at the same time.</span>
The main zone for these phenomena in at least the western world is the Circum-Pacific Ring of Fire Belt. This is exemplified by the Western Cordillera in BC (Rockies and Coast Mts) in BC with a few inactive volcanoes, the volcanoes on the western margin of the US such as in Northern Californa and the Sierra Nevada, and the volcanoes in western and central Mexico and then the Andes with its' frequent western volcanoes and then in Japan and Indonesia with their volcanoes as well. Earthquakes are common in this Belt and occur due to plate movements including subduction below the BC coast and under the Andes.
