30. Major grammatical errors of preschool children include all of the following except A. choosing the wrong vocabulary word
B. using negatives incorrectly
C. asking questions without inverted word order
D. making irregular verb forms regular

Life expectancy in the united states is (76.4 for men and 81.1 for women). life expectancy is not the same as healthy life expectancy. healthy life expectancy is the number of years a person is expected to live in this number is obtained by subtracting years spent in poor health from overall life expectancy. the world health organization (who) calculates healthy life expectancy in 194 countries. the united states ranks twenty-ninth in the world using this measurement, with an average of of healthy life expectancy. singapore ranks number one (76 years), and japan is number two (75 years).

Me d: which system contains the heart, blood, and blood vessels? a. muscular b. circulatory c. respiratory d. digestive which system contains the pituitary, adrenal, and thyroid glands? a. respiratory b. circulatory c. endocrine d. reproductive

7. how does compromise affect healthy relationships? a it makes them stronger.b it people understand who is right.c it makes them weaker.d it people accept compliments.