Examlex
As a general rule, the greatest vulnerability to _____ occurs during the _____ period of prenatal development.
Necessary
Something that is required or essential for a particular purpose, action, or outcome.
Harmful
Causing or capable of causing damage, injury, or negative effects to something or someone.
Debriefing
A process following a research study or mission where participants are given an explanation of the study's purpose and its results, and any necessary counseling.
Confounding
A situation in which the effects of two variables on a response cannot be distinguished from each other, potentially leading to erroneous conclusions in an experiment or study.
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