Students are experimenting with a substance that they think can be added to soil that will increase the number of flowers a plant will grow they set up 20 pots of soil with the same seeds they divide the pots into separate groups And add 15 drops of the substance in one group and 10 in the other after the plants grow for four weeks the students will see which ones are the most flowers which does this experimental investigation lack

are these strong bases, neutral, strong acids, weak acids or weak base household bleach (ph=12.6) fluid in a car's battery (ph of less than 1.0) milk (ph=6.7) stomach contents (ph=2.2) pure water (ph=7)

ask for details followreport by jfarley259 2 hours ago  

household bleach (ph=12.6)= strong base

fluid in a car's battery (ph of less than 1.0) = strong acid

milk (ph=6.7)=neutral

stomach contents (ph=2.2)=strong acid

pure water (ph=7) =neutal

b. the carbon cycle ensures living things have a source of hydrogen