Q: Phosphorus exists as several allotropes, the most common being red, black, and what? A:
OPTIONS:
- purple phosphorus
- yellow phosphorous
- green phosphorus
- white phosphorus

Answer: white phosphorus

Question: Q: What is the transition from liquid to gas is called? A:
OPTIONS:
- freezing
- condensing
- melting
- boiling
Answer: boiling

input with options: Q: What change can you expect in vectors that are perpendicular to each other? A:
OPTIONS:
- Chemical reaction
- Large Effect
- Molecular Reaction
- no effect
output: no effect

Q: Q: What are the cells that break down inorganic molecules to supply energy for the cell, and use carbon dioxide as a carbon source? A:

OPTIONS:
- staurikosaurus
- fluctuations
- Sediments
- chemoautotrophs

A: chemoautotrophs

input: OPTIONS:
- weight
- electricity
- energy
- light Now, answer this question: Q: When electrons return to a lower energy level, they emit the excess energy in the form of what? A:
A:
output: light

Question: Q: What can exposure to chemical or biological agents cause later in life? A:
OPTIONS:
- adaptation
- spontaneous mutation
- regression
- an acquired immunodeficiency
Answer:
an acquired immunodeficiency