It entails being out of touch with reality, where your optimism isn't grounded in comparison to the situation you're in.
For example, imagine climbing Mount Everest and you underestimate the weather, which are underestimating obstacles and risks.
Answer:
Sorry I have a glitch where it forced me to answer this or it won't let me off this page.
I'm so sorry.
Explanation:
Yes you do need carbon dioxide and water
It forced many former indentured servants to sign new indentures.
Answer:
Its B if you wanna know why its because you just gotta trust me