The contraction of infectious diseases can be avoided by practicing good avoiding contact with and boosting your immune system with immunizations. 1st blank options: nutrition; hygiene 2nd blank options: vectors; phagocytes; carcinogens

Which statement supports the principle ideas of jean piaget's philosophy? adults should not interact with teachers. children are best educated through standardized training. adults do not think better than children, but they think differently. children should not form hypotheses until they are certain their findings will be correct.