Changes in _____, the hormone produced by the body's fat tissues, appears to play a role in the regulation of body weight

Are there sex differences in length and/or weight at birth? Does this pattern continue? Explain

What will be an ideal response?

Between the ages of 6 and 12, children add roughly how many words per year to their vocabulary?

A) 100 to 500 B) 1,000 to 2,000 C) 5,000 to 10,000 D) 20,000 to 30,000