The piece of wood shown above has a mass of 20 grams. Calculate its volume and density. Then use Figure 2.9 on page 37 to determine which type of wood it is. What are the two factors that
determine a material's density?

Every 5 minutes the amount of bacteria would double. So five minutes would allow for the bacteria to fill one bottle since you already have one filled then the next five minutes it doubled again and since u have two bottles doubling two would mean you filled the last two bottles