Answer:
Explanation:
The first step that Kimi should take to make this health related decision is to identify and define the decision.
The identification, and defining of the problem is essential for Kimi to understand what drugs entails and it effects on the body.
With this, thennshw can have a thorough understanding and be able to choose between different alternatives when her friend eventually invites her.
Carbon Monoxide is the answer
A clue to cause and effect would be the word "since" as it starts a cause for something,a reason for something to happen
