Answer the following question given this paragraph: Many archaeans live in close relationships with other organisms. For example, large numbers live inside animals, including humans. Unlike many bacteria, archaeans don't harm their hosts. None of them is known to cause human disease. Archaeans are more likely to help their hosts. For example, archaeans called methanogens live inside the gut of cows (see Figure below ). They help cows digest tough plant fibers made of cellulose. They produce methane gas as a waste product. Q: Archaeans produce what kind of gas as a waste product? A:
OPTIONS:
- sulfide
- carbon monoxide
- carbon dioxide
- methane
methane

Answer the following question given this paragraph: The color of soil indicates its fertility. Black or dark brown soils are rich in nitrogen and contain a high percentage of organic materials. Soils that are nitrogen poor and low in organic material might be gray, yellow, or red. Q: What visual property of soil indicates fertility and nitrogen content? A:
OPTIONS:
- texture
- contrast
- quality
- color

Answer: color

Question: Answer the following question given this paragraph: Engineering is the practical application of scientific principles and discoveries to develop things that make our lives easier. Is medicine science or engineering? Justify your answer. 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: Answer the following question given this paragraph: Sperm are produced in the testes in the process of spermatogenesis. They mature in the epididymes before being ejaculated from the body through the penis. Q: Where are sperm produced in the process of spermatogenesis? A:
OPTIONS:
- penis
- intestines
- ovaries
- testes
output: testes

Q: Answer the following question given this paragraph: A changing magnetic field produces an electric current in the process of electromagnetic induction. Current is generated whenever an electric conductor crosses magnetic field lines. 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

Answer the following question given this paragraph: The chapter focuses on the atmosphere. Beyond the atmosphere is space. The next chapter introduces the study of space. Q: What is beyond the atmosphere? A:
OPTIONS:
- object
- air
- vacuum
- space
space