The horizon is always always always always ALWAYS 90˚ above the zenith.
For a medication to be maintained at the proper blood level, it must be given at the right time. The correct option among all the options that are given in the question is the third option or option "c". Timing of the medication is of immense importance and this will help to get to the right kind of result for the patient.
Answer:
The answer is D. Panama Canal.
