Answer:
A. 108
sorry if im wrong but if u am I'm so sorry
Answer:The answer is 27.04
Step-by-step explanation:
The solution is in the attached
Answer:
b. experiment
Step-by-step explanation:
An observational study is one in which the researchers monitor the effect of a risk factor on subjects without introducing interventions for the purpose of noting differences in results. An experiment is mainly a randomized control trial where subjects are assigned to groups and chosen by chance. Interventions are also introduced by the researchers so as to note the different possible results within the groups and among participants.
The above-described process incorporates an experiment and that is why the researchers introduce protein level diet as interventions. It also employs the random assignment of subjects to different groups so as to improve the accuracy of the process.
51, because 39+12=51. You just add both parts of the tree. Please Rate Brainliest.