2. To mix an ultrasonic cleaning solution, 10 milliliters (mL) of concentrated cleaner is added to 500 mL of distilled water. What is the ratio of cleaner to
water?
of 10

Which of the following is an important function of child-directed speech? (a) it captures the infant’s attention and maintains communication. (b) it reduces the occurrence of infantile amnesia for the earliest memories of infancy. (c) it reduces the need for reciprocal interaction between caregivers and children. (d) it assists in prolonging rem sleep in infants.

Which of the following is not of the top health concerns in the united states

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