Thomas knows that he should figure out his resting heart rate to compare it with his heart rate while he is exercising, but he does not know why. What is the BEST way to explain why this is a good idea? Question 13 options: The heart rate is the most important factor in determining fitness. If his heart rate is too high, he will need to exercise for much longer. His doctor will ask what his heart rate is when it is time for a check-up. Monitoring his heart rate will help him find the right intensity of exercise.

Ineed to know what to put in the blanks.

Adouble-blinded trial for a new indication is conducted under an ind comparing two (2) marketed drugs, at twice the approved prescribed doses. on day 2, subject 603 had difficulty breathing. although it was life-threatening initially, subject 603 was treated and discharged directly from the emergency department after complete recovery. on day 5, subject 20 had a headache, which led to hospitalization and required blood pressure lowering medications. these episodes cannot be explained on the basis of the pharmacological property of either drug or the subjects' medical histories. the investigator would submit an sae report for: a. neither of the subjects b. subject 603 only c. subject 20 only d. both of the subjects

Ab+cd-> ad+bc is what kind of reaction