<span>Early childhood is a crucial stage of life in terms of a child's physical, intellectual, emotional and social development. Growth of mental and physical abilities progress at an astounding rate and a very high proportion of learning takes place from birth to age six. It is a time when children particularly need high quality personal care and learning experiences.</span>
Increase in financial obligations.
Getting married.
I think it's most likely D because when I googled the definition it said something about gas so yeah
