Answer: A- blended family.
Explanation: multi-generational means mom, grandmo9ther, great-grandmother, all in one house. Extended family means uncle, cousins, etc. a nuclear family is your close family members, aka, mom, dad, brother, sister.
D or a. The others shouldnt be correct
B, because having high resistance builds your endurance and makes it stronger. Having low resistance isnt effective enough so cross those out, and high resistance with high steps is too much and can lead to damage