What is the problem in Rh incompatibility during pregnancy?
a. Chromosomal abnormalities cause intellectual disability.
b. Unmetabolized amino acids cause brain damage.
c. Brain infection causes damaging cranial pressure.
d. The mother's antibodies attack the blood cells of the fetus.
Question 2
What is one common cause of lead exposure in children?
a. insulation
b. canned foods
c. heating systems
d. chipping lead-based paint