<span>This research study would be a prospective cohort study. </span>
<span>In this study, the groups are different in some way, for example, a control group which received no treatment, a standard group who received a well-studied drug and a test group who received a new drug. These groups are followed over time and the outcome (such as curing a disease or alleviating symptoms) will be compared. </span>
Fungi because of the rotting and in moist places
<span>The answer would be: A) First trimester
</span>Genetic malformation should happen when the baby is forming its organs. Most of the organ is formed at the 3rd weeks of pregnancy which is part of the first trimester. If there is no malformation at this stage, it is less likely that any will develop at the later stage since it involve more growing and developing the current organ.
C. smog
is the correct choice plug