Given a sentence, fill out the missing word with a 'no' or a number (between zero and ten). You should write the numbers with english alphabet, like: four instead of 4.

Passion equals ____ sexual beings joined by intimacy.
two

Female mealybugs have only ____ nymphal stages.
three

Zinnias grow best in full sun, which means ____ or more hours of direct sun daily.

six