Research suggests that parental and are major determinants of a child's self-esteem

Which of the following organisms can cause pneumonia, blood poisoning, meningitis, and ear infections?

pneumococcus smallpox rotovirus rubella

Some form of red-green color blindness occurs in about __________ of males and __________ of females

a) 10%; 15% b) 8%; 1% c) 5%; 10% d) 1%; 10%