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• in each example, the biosphere is interacting with another subsystem of earth. identify the other subsystem. marine life adds carbon dioxide to ocean water during respiration plants on land release oxygen during photosynthesis. bacteria living underground convert ammonia to nitrates. the waste from livestock adds nitrogen to the soil.
  
• all of the following are powers and functions assigned to the legislative branch except: a. veto bills b. lay and collect taxes c. establish post offices d. raise and support the military
  
• sean recorded everyone’s number-cube rolls during the game. 1, 6, 2, 1, 5, 4, 2, 2, 1, 4, 5, 1, 3, 4, 1 he stated that the theoretical probability of rolling a 1 is greater than rolling any other number. explain sean’s error.
  
• elias purchases a home for $38,900. the value of the home, in thousands of dollars, since his purchase is shown in the table. a 2-column table with 6 rows. the first column is labeled years since purchase with entries 0, 5, 10, 15, 20, 25. the second column is labeled value (thousands of dollars) with entries 38.9, 62.4, 89.3, 145.2, 210.8, 326.5. find an exponential function that models the data. round numerical values to the nearest hundredth. let x be the number of years since the purchase. the function f(x) = ( )x models the data. use the model to predict the home’s value. after 12 years, the home’s value will be about $ thousand. after 35 years, the home’s value will be about $ thousand.
  
• the chart below shows the distribution of weeds in a yard. a lawn-care specialist chooses a random sample from the yard and determines the number of weeds in the sample. the results of the sample are shown in the table below. weed type number dandelion 2 clover 3 crab grass 2 chickweed 2 which explains whether or not this is a representative sample? yes, this is a representative sample because each type of weed is represented in the sample. yes, this is a representative sample because each type of weed is represented approximately the same number of times in the sample. no, this is not a representative sample because each type of weed should be represented in proportion to the number of weeds actually present in the yard. no, this is not a representative sample because each type of weed should be represented exactly the same number of times in the sample.
  
• though a vital natural resource, india's ganges river is thought to be seriously contaminated. why has the government been slow in clean-up efforts?
  
• what does the parallelism in this excerpt emphasize? the parallelism emphasizes the speaker's irish nationality. the parallelism emphasizes the speaker's wish to die. the parallelism emphasizes the speaker's fear of death. the parallelism emphasizes the speaker's lack of patriotism.
  
• choose the correct conditional tense form of comer. nosotros _____ con la maestra. comería comerías comeríamos comerían
  
• two plants are heterozygous for seed shape and have round seeds. if the two plants are crossed, what is the probability that the offspring will have wrinkled seeds?25 percent50 percent75 percent100 percent
  
• something that neither one of the couple knows.