en el mercado de competencia perfecta las empresas deben actuar con eficiencia por lo tanto deben mejorar continuamente​

15 can someone translate this paragraph to german? (i created all and the incident went so complicated so most of them might not be senseful but the only important thing is translating not harmony of the text.)

Brainliest awnser which statement best describes a cell?

Is there a shorter way to say something reflexiv? (like, instead of ich beeile mich could it be something like ich beeilen? )