Answer:
Family size might adversely affect the production of child quality within a family. ... Controlling for parental family income, parental age at birth and family level attributes, we find that children from larger families have lower levels of education and that there is in addition a separate negative birth order effect.
Answer:
This is a common idiom.
Explanation:
This idiom refers to the difficulty associated with starting something, but once you get the ball rolling, it seems relatively easy.
Answer:
the person giving the compliment used the wrong tone of voice
Explanation:
tone of voice is extremely important when talking, just take any phrase as an example (eg. I hate you) and think of how many different ways it could be interpreted, just simply by depending on the tone of voice used