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• a 520-gram sample of seawater contains 0.317 moles of nacl. what is the percent composition of nacl in the water? a. 1.1% b. 2.8% c. 3.6% d. 6.1%
  
• which statement describes how rays behave when they travel through media during reflection and refraction?
  
• which of the following is true about lava and magma? a lava and magma are both types of molten rock. b magma uses waves to break down lava over time. c when magma cools and hardens it becomes lava. d magma is called lava when it’s below the earth’s surface.
  
• which of the following is an example of a complex number that is not in the set of real numbers? -7 2 + startroot 3 endroot 4 + 9i pi
  
• the compacts which are to embrace thirteen distinct states in a common bond of amity [friendship] and union, must as necessarily be a compromise of as many dissimilar interests and inclinations.– alexander hamiltonfederalist, no. 85what is the central point that hamilton is making? the 13 states were too unwilling to reach an agreement.compromise was a necessary part of uniting 13 different states.the 13 states are only united because of their feelings of friendship.too many compromises were required during the constitutional convention.
  
• which of the following is an advantage of word processing productivity programs? (check all that apply) create versions of documents save and modify documents indefinitely create a variety of layouts using text and graphics check a document for spelling and grammar accuracy
  
• which of the following describes the best strategy for increasing a specific joint's range of motion? a. developing a rigorous whole-body exercise program b. avoiding stretching before vigorous exercise c. applying the principles of overload and progression to exercise the joint d. spending two hours swimming daily
  
• which process produces clones? asexual reproduction sexual reproduction chromosome duplication gamete formation
  
• lensforall is a company that sells affordable contact lenses on its website. the ceo of the company realizes that an app must be developed that would allow customers to virtually try on colored lenses to find out what best suits them. which of these features should the app have?
  
• what is the horizontal asymptote of f (x) =startfraction negative 2 x over x + 1 endfraction? y = –2 y = –1 y = 0 y = 1