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• which sentence describes an object that has kinetic energy? a. a seagull sits on top of a fence post. b. a beach ball is round. c. a radio has batteries with stored chemical energy. d. a boat sails across the ocean.
  
• sarah has optimal health, but she lives in a metro area that has high levels of air pollution. which dimension of health will be lower for sarah?a.psychologicalb.emotionalc.sociald.environmental please select the best answer from the choices provided.abcd
  
• which property does each equation demonstrate? x2 + 2x = 2x + x2 (3z4 + 2z3) – (2z4 + z3) = z4 + z3 (2x2 + 7x) + (2y2 + 6y) = (2y2 + 6y) + (2x2 + 7x)
  
• an industrial vat contains 650 grams of solid lead(ii) chloride formed from a reaction of 870 grams of lead(ii) nitrate with excess hydrochloric acid. this is the equation of the reaction: 2hcl + pb(no3)2 → 2hno3 + pbcl2. what is the percent yield of lead(ii) chloride? the percent yield of lead chloride is %.
  
• the failure to deliver blood to the heart due to a narrowing of arteries results in __________. a. atherosclerosis b. a stroke c. coronary heart disease d. hypertension please select the best answer from the choices provided. a b c d
  
• which events took place during muhammad’s return to mecca in 630 ce? choose three correct answers. muhammad established the first mosque. the people of mecca converted to islam. muslims agreed to a truce with mecca’s leaders. muslims were defeated in battle by the people of mecca. muhammad and his followers removed the religious statues from the kaaba.
  
• poem:painting: in brueghel’s icarus, for instance: how everything turns away quite leisurely from the disaster . . . –""musée des beaux art,"" w. h. auden how does the phrase ""quite leisurely"" connect to the scene depicted in the poem? it describes the depiction of trees and nature in the painting. it reinforces that no one is alarmed by icarus's drowning. it emphasizes that the focus of the poem is on icarus.
  
• one reason some argue that campaign financing should be restricted is because supporting a candidate is considered free speech. the constitution limits the influence of citizens on elections. limitations help to ensure the wealthy are less influential. restrictions allow for greater influence by fewer corporations.
  
• most americans marry individuals with characteristics similar to their own, including a. religious faith. c. age. b. race. d. all of the above please select the best answer from the choices provided a b c d
  
• which is the graph of f(x) = (x – 1)(x + 4)? on a coordinate plane, a parabola opens down. it goes through (negative 1, 0), has a vertex at (1. 75, 6.2), and goes through (4, 0). on a coordinate plane, a parabola opens down. it goes through (negative 4, 0), has a vertex at (negative 1. 75, 6.2), and goes through (1, 0). on a coordinate plane, a parabola opens up. it goes through (negative 1, 0), has a vertex at (1. 75, negative 6.2), and goes through (4, 0). on a coordinate plane, a parabola opens up. it goes through (negative 4, 0), has a vertex at (negative 1. 75, negative 6.2), and goes through (1, 0).