6. Boundaries based on the median-line principle are generally associated with (A) major highways (B) converging ethnic territories (C) unsettled frontier zones (D) bodies of water (E) mountain ranges

check for the pregnancy rating of drug. if its class c or d see if other alternatives

enhanced global partnerships and exploration capabilities may advance international preparedness for protecting the earth from catastrophic events such as some asteroid strikes, advancing collaborative research on space weather and protecting spacecraft by developing new means for space debris removal.