The passage below discusses some of the steps of an engineering-design challenge.
Select the part of the passage that describes the prototype.
<) Dr. Silva is treating a patient who
has a rare disease. She meets with
a group of doctors, and they discuss treatments that might help cure the patient. They agree that there are only three drugs available to treat the disease. Dr.
Silva decides to prescribe two of those three drugs, at low doses.
After several months, she is pleased to find that the treatment
is working.
Submit