When we do experiments it is important to rule out misinterpretation due to technical reasons, or alternative trivial explanations. these experiments that are run to be more confident of our interpretation of the results from the experimental conditions are called experiments.?

the answer to your question is,

d. when a child was born.

-mabel < 3

hello

question:

when would a new household be started?

a.when the oldest male died

b.when a man and a woman married

c.when the house could not hold everyone

d.when a child was born

answer: us d when a child was born

hope this have a great day and brainlest