How may changing family structures influence how teachers interact with families? a. it is challenging to keep parents informed of their child's progress. b. marriage with two children is the status quo for families. c. divorce makes scheduling parent–teacher conferences difficult. d. single-parent households have more flexible schedules. e. communication requires greater sensitivity to family situations.

The answer should be d

The most common stereotypes could be that boys don't cryboys don't get emotional boys are never as mature as girlsboys are lazyetc.

Immunization is the introduction of a foreign substance to provoke  the immune response system.  immunizations are the same as vaccinations. it introduces foreign (but dead/ weakened) illnesses to train the body to fight against them. specific viruses and bacteria have specific antigens, antigens act sort of like name tags. these name tags the immune system recognize what's dangerous to the body and what's safe.