Explanation:
The answer is A. like fiber that is filling 4 several hours, this prevents cravings 4 the wrong foods.
adding "free foods," like veggies, high fiber, supplements, and light exercise every day, ( like walking). will greatly reduce health risks.
It's a catalytic converter
Answer: d. double-blind
Explanation:
A double blind study can be define as the study in which both the researcher and participant do not know which participant is receiving a particular treatment. This method is useful as it prevents the bias in the results of the experiment.
The given situation is the example of double-blind study. Here, the participants as well as the researcher do not know which group of subject are receiving bacteria in the yogurt and which group is not receiving.
