Answer:
stop all the factory or ruduce the number of them
Answer:
mother- releases hormones, lowers risk of breast cancer, lowers risk of ovarian cancer, and reduces uterine bleeding. Child- provides nutrients, better survival for the babys first year, lowers risk of sudden infant death syndrome, and offers protection.
Explanation:
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.