<human>: Objective: to preserve an insect for a science project

Which of the following solutions is more sound in terms of naive physics reasoning?

OPTIONS:
- Fill a small jar with rubbing alcohol.  Find a dead insect.  Identify and label your insect by putting a label on the jar.  Carefully put insect in jar.  Close and seal the jar and store in a safe location.
- Fill a small jar with hydrogen peroxide.  Find a dead insect. Identify and label your insect by putting a label on the jar.  Carefully put insect in jar.  Close and seal the jar and store in a warm location.
<bot>: Fill a small jar with rubbing alcohol.  Find a dead insect.  Identify and label your insect by putting a label on the jar.  Carefully put insect in jar.  Close and seal the jar and store in a safe location.