An effective strategy for stepping in if someone appears to need is

An effective strategy for stepping in if someone appears to need help is directly check in with the person.

Explanation:

Many a time, our closed ones will be fighting battles we are unaware of. We are so busy in our lives that we either do not notice the problems of our loved ones or we just think that if they need help from us, they will ask it themselves. But we shall realize the fact that many people will not ask for help themselves due to certain reasons.

So, it is best to always check upon the persons you love if you think that they might need any help.

materials water oxygen those are the things i can think of in this moment.

b is the correct answer