The scientist hypothesized that the mold must be producing a chemical that killed the bacteria. he decided to isolate this substance and test it to see if it would kill bacteria. he transferred the mold to a nutrient broth solution. this solution contained all the materials the mold needed to grow. after the mold grew, he removed it from the nutrient broth and then added the broth to a culture of bacteria. he observed that the bacteria in the culture died. his experiments were later used to develop antibiotics.
were his observations qualitative data or quantitative data?

it also supports my hypothesis. if you rest first you can squeeze the clothespin more times. from the data i collected the average of the eight people concluded exercise makes your muscles more fatigued and less able to squeeze the clothespin compared to resting before squeezing.

science-ocean floors and habitats study guide by volleyballqueen3817 a major advance in ocean-floor mapping. list four sections of the ocean floor. algae that use sunlight to produce their own food through photosynthesis. all of the feeding relationships that exist in a habitat. drying out, predators, find food.