If two engines are given the same amount of fuel, the more efficient engine can do more work than the less efficient engine can.
the following questions could be asked to make scientific or technological progress. which of the following questions is best
asked and answered as part of a scientific investigation, not as part of technological improvements?

a. how can efficient engines be built more cheaply?

b. how efficient can an engine be, in theory?

c. how can a more efficient engine be built?

d. how can the efficiency of an existing engine be improved?

The answer is d the box plots show the data distributions for the number of customers who used a coupon each hour during a two-day sale. which measure of variability can be compared using the box plots? interquartile range standard deviation mean median

The language of anna's country has a turkish influence. where does anna live?

Astudent conducts an experiment to see how music affects plant growth. the student obtains four identical plants. each one is potted in the same type of soil and receives the same amount of sunlight and water each day. plant a listens to classical music for three hours each day. plant b listens to rock music for three hours each day. plant c listens to country music for three hours each day. plant d does not listen to any music at all. 2. based on the experiment in the scenario, which visual aid would be most in showing the change in the plants' heights over time? a. a pie chart b. a line graph c. a timeline d. a bar graph