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jordan

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Rachel adds all 50 grams of one powder to 100mL of water and stirs it for a while. Afterwards, she has a clear liquid with some powder on the bottom. Which of the following could this powder have been? OA. flour OB. suga...
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compute the equations 25.9+(-4.3) 6.7-39.31
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evaluate 4.156.
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3.82+0.42•0.8
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0.000005 in standard notation
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5•10^-6
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7/9+5/6•1/3
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8=24x
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evaluate 0.00000001
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10^-8
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For each table, determine whether it shows that X and y are proportional. If X and y are proportional, fill in the blank with a number in simplest form. Table 1 9 12 12 36 24 • Proportional is times X • Not proportional...
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99 plus 9
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2 \6 of ryan sock are blue and 2\6 are green and the rest are white what fraction of ryan sock are white
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The main purpose of electrostatic precipitators in power plants is: to remove bottom ash from the flue gas to remove NOx from the flue gas to remove SOx from the flue gas to remove fly ash from the flue gas
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How would a low pH level in a dilution pond be corrected? increasing water temperature adding sulphuric acid adding muratic acid adding alkaline material (soda ash)
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What are thermoclines? thermally separated layers in a body of water thermally stratified layers created by concentrated dissolved gases layers of lethal heat zones within a lake thermos vents emitting carbon dioxide
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What is the lowest layer of Earth’s atmosphere called?: exosphere thermosphere stratosphere troposphere
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Gaseous pollutant emissions can be measured by: chemiluminescence non-dispersive infrared detection pulsed fluorescence testing all the listed items
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How are carbon monoxide emissions eliminated in flue gas? reduce the amount of carbon dioxide produced complete combustion recycling flue gas reduce excess air
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To prevent methane gas vapors from entering the atmosphere, how is venting to be controlled? absorption towers compressors flare stacks dilution
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The major components in the ecosystem are: Producers Consumers Inactive organic material All of the listed items
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The best kind of action to take to deal with environmental or any facility problems is: interim adaptive permanent reactive
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Weekly fire sprinkler system inspections would include: flow testing the system ensuring cold weather enclosures are heated and sealed draining the low points of the system testing fire hoses
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A disadvantage of a wet pipe sprinkler system is: requires air pressure to operate requires more equipment and attention than a dry pipe system the water can freeze in the lines when the system is activated all the heads...
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Fire pumps: can be driven by electric motors or other prime movers are always driven by electric motors do not require test runs are the responsibility of the community fire department
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