Baby nicholas watches as his mother leaves the room, but he does not cry because he understands that his mother still exists even though he cannot see her. this is an example of behavior in which of piaget's substages?

The sixth (and last) substage: mental combination.

Explanation:

Baby Nicholas has developed what Piaget called object permanence. This happens in the last substage of the sensorimotor stage, which is when the infant is between 18 and 24 moths old. It’s the stage of mental combination. During this stage the child starts developing symbolic thought and can make mental representation of objects. It is also during this period that babies have object permanence. This means that they can understand that an object exists even if they cannot see it.

- "instead, differing christian groups often believed that their own practices and faiths and the reforming puritans, contributing to an english civil war in the 1600s. indians, and they were the first to issue a public condemnation of slavery in america. up a wave of religious fervor and the beginning of the great awakening."

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well since twins have about the same dna they dont have one think in common which is the figer print. nobodys fingerprint is the same. if your using twin you would most likely get around the same results for both of them because of the genetics.. i hope this