In this task, you are given a sentence in the Spanish language. Your task is to translate the Spanish sentence into the English language.

¿Con qué aspecto se relaciona la dificultad de las personas mayores para resolver nuevos problemas?
With what aspect does the difficulty of the elderly relate to solve new problems ?

Los errores determinados (o sistemáticos) que se pueden cometer en un método analítico
The determined (or systematic) errors that can be committed in an analytical method

¿Cuál de las enzimas contiene manganeso?

Which of the enzymes contains manganese?