Q: Archaeans produce what kind of gas as a waste product? A:
OPTIONS:
- sulfide
- carbon monoxide
- carbon dioxide
- methane
methane

Q: What visual property of soil indicates fertility and nitrogen content? A:
OPTIONS:
- texture
- contrast
- quality
- color

Answer: color

Question: Q: What is the practical application of scientific principles and discoveries to develop things that make our lives easier? A:
OPTIONS:
- Movement
- experiment
- component
- engineering
Answer: engineering

input with options: Q: Where are sperm produced in the process of spermatogenesis? A:
OPTIONS:
- penis
- intestines
- ovaries
- testes
output: testes

Q: Q: What does an electric conductor cross to generate current? A:

OPTIONS:
- waves field lines
- magnetic zone waves
- magnetic polar waves
- magnetic field lines

A: magnetic field lines

Q: What is beyond the atmosphere? A:
OPTIONS:
- object
- air
- vacuum
- space
space