Why Would Exposure to a Harmful Chemical During the First

question 36

Essay

Why would exposure to a harmful chemical during the first trimester be more likely to produce a major birth defect in a developing human than exposure to the same chemical during the last trimester?

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Definitions:

Heard

The act of perceiving sound by the ear. If you've heard something, you've perceived it with your auditory sense.

Episodic Memories

Memories of specific events or episodes in one's life, including the contexts and emotions associated with those events.

Arithmetic Skills

The ability to perform mathematical calculations, such as addition, subtraction, multiplication, and division.

Self-concept

An individual's perception of their own strengths, weaknesses, and unique qualities; a self-awareness of one's identity.