D) Weightlifting
Weightlifting would not complement her current workout routine because she is working to improve her flexibility. By adding weightlifting to her routine she would only be increasing her strength and muscle mass.
Answer:
Health benefits of walking
increased cardiovascular and pulmonary (heart and lung) fitness. reduced risk of heart disease and stroke. improved management of conditions such as hypertension (high blood pressure), high cholesterol, joint and muscular pain or stiffness, and diabetes. stronger bones and improved balance.
walking:-
Burn calories. Walking can help you burn calories.
Strengthen the heart.
Can help lower your blood sugar.
Eases joint pain.
Boosts immune function.
Boost your energy.
Improve your mood.
Extend your life.
Cardiorespiratory endurance, muscular strength/endurance, and flexibility
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.