Q: Because the earth is covered with vegetation, cellulose is the most abundant of all what? A:

OPTIONS:
- impurities
- vegetables
- rocks
- carbohydrates

Answer: carbohydrates

Problem: OPTIONS:
- smoke
- tsunamis
- sandstorms
- fog
Q: Q: What forms when there is a difference in temperature between the land and the air? A:
Answer: fog

Problem:OPTIONS:
- sexual reproduction
- organic reproduction
- microscopic reproduction
- asexual reproduction

Q: What kind of reproduction involves just one parent and produces offspring genetically identical to each other and to the parent? A:
****
A: asexual reproduction

Q: In what two ways are volcanic eruptions characterized? A:
OPTIONS:
- minor and explosive
- localized and general
- non-explosive and serious
- explosive and non-explosive
explosive and non-explosive

Q: What are hydrocarbons that contain only single bonds between carbon atoms called? A:
OPTIONS:
- caloric hydrocarbons
- unsaturated hydrocarbons
- carcinogenic hydrocarbons
- saturated hydrocarbons

Answer: saturated hydrocarbons

input with options: Q: Sedimentary rocks form in what kind of layers? A:
OPTIONS:
- stacked
- magnetic
- vertical
- horizontal
output:
horizontal