Translation of callar

What steered the little fly to the plant? Naturally, we do not know the answer. The human being cannot understand nature because he is part of it, he is inside it. Therefore he cannot judge objectively.
However, the option of creating new lessons with multiple answers is now widely used by our users (teachers and students). However, we believe rather in context and single answers ant not multiple options.
If I could get that far in Galaga, and handle enemy starships, I was sure that I could handle hurricane Ivan. I decided to continue to Mexico after having two dry airport muffins for breakfast.