Question: Q: What is the primary cause of air movement in the troposphere? A:
OPTIONS:
- solar winds
- asteroids
- the ozone layer
- differences in heating
Answer: differences in heating

input with options: Q: The simplest organic compounds have hydrogen and what else? A:
OPTIONS:
- sodium
- oxygen
- nitrogen
- carbon
output: carbon

Q: Q: What do you call the electrons in the outermost energy level of an atom? A:

OPTIONS:
- Inner electrons
- shell electrons
- Proper electrons
- valence electrons

A: valence electrons

input: OPTIONS:
- toxic reaction
- spontaneous mutation
- hormonal reaction
- chemical reaction Now, answer this question: Q: What occurs when some substances change chemically to other substances? A:
A:
output: chemical reaction

Q: What is a measure of the change in velocity of a moving object? A:

OPTIONS:
- inclination
- vibration
- kinetic energy
- acceleration

Answer: acceleration

Q: Q: Nonvascular plants such as liverworts, hornworts, and mosses lack what three typical plant features? A:

OPTIONS:
- chloroplasts, stems, flowers
- flowers, leaves, bark
- roots, leaves, chloroplasts
- roots, stems, leaves

A:
roots, stems, leaves