This means
“A conclusion about the importance of predicting the growth of a population?”
Do you need an answer to this?
Yo le digo la verdad a vosotros
Es tu turno de limpiar la mesa
Answer:
las clases difíciles
Explanation:
Add an <em>-s</em> to <em>clase</em>, and add an <em>-es</em> to <em>difícil</em> because adjectives have to match the plurality of the word they describe.