input with options: Q: Matter can be described with what two encompassing types of properties? A:
OPTIONS:
- velocity and energy
- thermal and magnetic
- color and distance
- physical and chemical
output: physical and chemical

Q: Q: What waves require a material medium such as water, air, or rope? A:

OPTIONS:
- light
- potential
- electromagnetic
- mechanical

A: mechanical

input: OPTIONS:
- body density index (bdi)
- body matter index (bmi)
- density index (di)
- body mass index (bmi) Now, answer this question: Q: What is the measure of an individual's weight-to-height ratio called? A:
A:
output: body mass index (bmi)

Q: What will you see if you look at a star through a prism? A:

OPTIONS:
- kaleidoscope
- rainbow
- spots
- spectrum

Answer: spectrum

Problem: OPTIONS:
- echos and troughs
- waves and troughs
- bands and troughs
- crests and troughs
Q: Q: What do you call the high and low points of transverse waves? A:
Answer: crests and troughs

Q: What is the name of a microorganism that is considered important for living resources in all ecosystem? A:

OPTIONS:
- pathogens
- archaea
- protozoa
- bacteria

Answer:
bacteria