2 How tall Karen's family members are.

В тексте говорится: "My mum is not as tall as my dad, but she's only a bit shorter than him. My brother Jake is the tallest person in my family. He's even taller than my dad! Barnie and Louis are both shorter than me, but they're also a lot younger than me, so that makes sense!"

Члены семьи Карен разного роста: мама немного ниже папы, брат Джейк - самый высокий в семье, Барни и Луи - ниже Карен, но они младше ее.

Ответ: Члены семьи Карен разного роста.