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• what is the correct name for the compound fecl2•4h2o? iron (iv) chloride hydrate iron dichloride hydrate iron tetrachloride hydrate iron (ii) chloride tetrahydrate
  
• the controversy over kit carson was over _____________________ a. whether he was a soldier or a trader. b. whether he was a friend or foe to the navajos. c. whether he sided with the north or the south. d. whether he agreed with slavery or not.
  
• a company orders 24 boxed lunches from a deli for $177.60. if each boxed lunch costs the same amount, what is the unit cost of each boxed lunch?
  
• consider the graph of the quadratic function. which interval on the x-axis has a negative rate of change? –2 to –1 –1.5 to 0 0 to 1 1 to 2.5
  
• which sentence best states the authors' claim in this passage? today we have many sources of sugar, but sugarcane is still the best source. advances in the production of sweeteners hastened the end of involuntary servitude. the age of science has made the role of modern chemists similar to the former role of slaves. brazilians make ethanol from sugarcane because they cannot grow corn successfully.
  
• in a well-structured paragraph, state the claim of the previous passage and evaluate the effectiveness of the evidence the authors present to support it.
  
• which action prompted the start of the persian gulf war? a. saddam hussein's use of chemical weapons against kurds b. saddam hussein's invasion of kuwait c. saddam hussein's attempt to claim territory on the iranian border d. saddam hussein's violation of un weapons sanctions
  
• when blood glucose is low, the pancreas releases glucagon, a peptide hormone which stimulates the liver to produce and excrete glucose. binding of the hormone to its receptor triggers a \""second messenger\"" cascade pathway that results in a change in the concentration or activity of many enzymes and signaling intermediates. the activity of some pathway enzymes is altered, as is the direction of net flow through some pathways.
  
• which of the following is the best example of a way human lifestyles affect environmental systems?
  
• a client undergoes a craniotomy with supratentorial surgery to remove a brain tumor. on the first postoperative day, the nurse notes the absence of a bone flap at the operative site. how should the nurse position the client's head?