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During the prenatal period of development, x-rays, infections, tobacco, alcohol, and toxic substances are examples of the critical period exemplars discriminative stimuli teratogens

Respuesta :

Positive c and y will equal 11

Answer: Teratogens

Explanation:

Teratogens are substances or or other factors that can cause congenital abnormalities. This disability is also known as birth defects.

These abnormality arise in the third week to eight week of pregnancy whwn the major organ system are forming in fetus.

Some examples of teratogens are certain chemicals, medications, tobacco, alcohol, x-rays.

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