It's hot outside today.
It's is the contrasted form of it is and its is the possessive form *as it is without an apostrophe*.
For example:
The tree has lost all its leaves.
It's my birthday today.
Answer:
Explanation:
The choices of parents are not the choices of their children
The children gain agency to act by the end of the poem, with the implication that they will act better than their parents.
The lines show the strength of children, as they continue to succeed even without their parents.
You have to consider yoir audience in order to decide wht type of writing you're going to do, possibly what arguments to make, and what style you write your piece in. who you are writing for really makes your writing what it is.