Problem:OPTIONS:
- time
- earth
- volcanoes
- sun

Q: Where does the stratosphere get most of its heat? A:
****
A: sun

Q: The major fuel for the brain is which carbohydrate? A:
OPTIONS:
- glutamate
- sucrose
- insulin
- glucose
glucose

Q: Individuals with what condition experience depigmentation that results in lighter colored patches of skin? A:
OPTIONS:
- dementia
- psoriasis
- eczema
- vitiligo

Answer: vitiligo

Question: Q: What is the term for the basic contractile unit of the muscle? A:
OPTIONS:
- filament
- sphincter
- bandimere
- sarcomere
Answer: sarcomere

input with options: Q: What process can be triggered by a burst of ethylene production in the fruit? A:
OPTIONS:
- pickling
- hardening
- drying
- ripening
output: ripening

Problem: OPTIONS:
- fungi
- barley
- whey
- yeast
Q: Q: What is used for the fermentation process that makes beer, wine, and bread? A:
Answer:
yeast