What is the one method you most often use to manage stress?

Find the adjective(s) (including articles) in the sentence below. note: the sentence may not contain adjectives. the baby is very sleepy. the baby very sleepy none in the sentence

It is clearly expressed. what does that mean?

1. in which sentence is the underlined portion a predicate nominative? for astronauts, going into space to repair orbiting equipment becomes a challenge. for astronauts, going into space to repair orbiting equipment becomes tricky. for astronauts, going into space to repair orbiting equipment becomes challenging. for astronauts, going into space to repair orbiting equipment becomes frequent.