Tuna, billfish, swordfish are account for 99 percent <span>of the Western Pacific region's catch.</span>
Because they are not man made and are part of the earth's natural features caused by the the weathering and erosion of the earth.
<span>Which of the following has been a contemporary concern in northwestern China?
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</span>Answer: Of the options available the one that has been a contemporary concern in northwestern China is answer choice A) Ethnic Conflicts.
I hope it helps, Regards. <span>
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Weathering is related to the breaking down and loosening of rock or soil into smaller pieces, but the weathered pieces remain in place. Erosion is related to the movement of weathered (and sometimes non-weathered) pieces away from the source.
