By 3 months of age: the ability to crawl has emerged. infants smile more at happy faces than ones that are expressionless. infants do not engage in visual scanning. an infant's coordinated reaching and grabbing of an object is common.

answer; the answer to the first question is (king james ii was replaced by his daughter mary and her dutch husband william of orange;

imagine me knowing the answer

i believe

clean air is essential for health and survival

clean air provides nitrogen gas for plant respiration

clean air supplies oxygen that enables living organisms to breathe

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i am brianly

sorry if this doesn't