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• the agricultural research facility during a research accidentally changed the dna sequence of a wheat plant from gccatgtt to gcgtactt and this mutation resulted in a stronger plant variety. what kind of mutation did the plant undergo? a. inversion b. substitution c. insertion
  
• which of the following statements about artificial erosion is true? a. artificial erosion can occur 100 times faster than natural erosion. b. farming practices do not contribute to artificial erosion. c. artificial erosion causes a loss of fertile soil. d. artificial erosion is only caused by recreational activities.
  
• which equation is used to calculate the electric potential in an electric field from a point charge? v = kq over d squared v = kq over d v =delta u over q v = delta u over e
  
• how is the car running recklessly through the city street/sidewalk representative of the second red scare?
  
• if f (x) = 5 x minus 25 and g (x) = one-fifth x + 5, which expression could be used to verify g(x) is the inverse of f(x)? one-fifth (one-fifth x + 5) + 5 one-fifth (5 x minus 25) + 5 startfraction 1 over (one-fifth x + 5) endfraction 5 (one-fifth x + 5) + 5
  
• read the excerpt from thomas paine’s work “the crisis” no. 1. britain, with an army to enforce her tyranny, has declared that she has a right (not only to tax) but “to bind us in all cases whatsoever,” and if being bound in that manner, is not slavery, then is there not such a thing as slavery upon earth. . . . . . . neither have i so much of the infidel in me, as to suppose that he has relinquished the government of the world, and given us up to the care of devils; and as i do not, i cannot see on what grounds the king of britain can look up to heaven for help against us: a common murderer, a highwayman, or a house-breaker, has as good a pretence as he. what is the denotation of the word “bound” in this excerpt? trapped connected depended aided
  
• use the text below to answer the following question: case study: the very big apple with over eight million people, new york city is the most heavily populated city in the u.s. between 1800 and 1900, the population of new york increased from about 80,000 to over three million people. in the years after the civil war, the population of new york city tripled. with a large influx of european immigrants new york became known as the ""melting pot.
  
• which chemical equation represents a precipitation reaction? a. mgbr2 + 2hcl → mgcl2 + 2hbr b. k2co3 + pbcl2 → 2kcl + pbco3 c. 4lic2h3o2 + tibr4 → 4libr + ti(c2h3o2)4 d. 2nh4no3 + cucl2 → 2nh4cl + cu(no3)2
  
• which is the safest and most effective way to get a deeper stretch? a. massage the muscles being stretched b. inhale and push the stretch until it hurts c. lean into the stretch as you exhale d. place ice on your muscles before stretching
  
• triangle a b c is shown with its exterior angles. angle b a c is (p + 4) degrees and angle a c b is 84 degrees. exterior angle x b c is (3 p minus 6 degrees). what is the measure of ∠xbc? m∠xbc = m∠bac + m∠bca 3p – 6 = p + 4 + 84 3p – 6 = p + 88 2p – 6 = 88 2p = 94 m∠xbc = °