A national park needs to perform selective logging in their forested area. In order for logging trucks to access the area, roads will need to be installed across a previously undisturbed area of forest. The forest is home to many species of trees (hickories, oaks, and maples), multiple herbivores (deer, rabbits, squirrels), and higher level consumers as well (wolves, hawks). What would be required in order to approve the road construction on federal lands in this national forest?

the contamination

we are putting to many trash.

oxygen is the first element in group 16 (via) of the periodic table. the periodic table is a chart that shows how chemical elements are related to each other. the elements in group 16 are said to belong to the chalcogen family. other elements in this group include  sulfur, selenium, tellurium,  and  polonium.  the name chalcogen comes from the greek word  chalkos,  meaning "ore." the first two members of the family, oxygen and sulfur, are found in most ores.

oxygen is by far the most abundant element in the earth's crust. nearly half of all the atoms in the earth are oxygen atoms. oxygen also makes up about one-fifth of the earth's atmosphere. nearly 90 percent of the weight of the oceans is due to oxygen. in addition, oxygen is thought to be the third most abundant element in the universe and in the solar system.

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