Safe is the best option but it could also be wary or even rash as well but it's more likely to be safe and if that's not the correct word choice then it's a safe bet wary is the correct possible alternative hope this helps you out!
The adverb is slowly, Because adverbs tell what kind, how or to what extent. The adverb slowly (usually, they end in ly) is describing HOW someone did something. EX. Jessie ran slowly across the field. It tells how jessie ran.
And adverbs describe a verb.
Answer:
We would be wise to adopt principles that help us live less distracted. However, these distractions are easy to notice. We readily admit that we spend too much time
checking e-mail, watching television, or playing games on our phone. After all, the battle plays out in front of us each day.
Explanation: