Children should know how many words by the beginning of kindergarten? 500 to 1,000 1,000 to 2,000 2,000 to 3,000 3,000 to 5,000 4,000 to 6,000

Children need to learn 2,000 to 3,000 new words each year from 3rd grade onward, about 6–8 per day. In 1st and 2nd grade, children need to learn 800+ words per year, about 2 per day. First grade children from high SES groups knew about 2 times as many words as children from lower SES groups.

answer; (b) i believe its metabolic rate of the patient; plz check first