A team of engineers has decided to design a new shoe for people suffering from a painful foot condition. What should the engineers do during the
planning stage of their project?
A. Have patients wear the new shoe in an experimental trial to see if
symptoms improve.
B. Look at the trial's results to see how the design can be improved.
C. Estimate how much potential consumers would be willing to pay
for this new shoe.
O D. Build a variety of shoe models.

This line graph compares the growth of plants that were kept in the sun for different amounts of time.a)  on day 7, the plants kept in the sun for 3 hours were how tall? b)  on day 7, the plants kept in the sun for 6 hours were how tall? c)    on day 10, the plants kept in the sun for 9 hours were how tall? d)  on day 11, the plant that was grown with 1 hour of sunlight was how tall? e)  based on the graph, the plant grows best in what amount of sunlight?

How does kepler second law of planetary motion overthrow one of the basic beliefs of classical astronomy

In which of the following phases of matter do molecules have the highest amount of energy? a. liquid b. gel c. solid d. gas