Question: Q: What is the process in which a liquid changes to a solid? A:
OPTIONS:
- condensation
- boiling
- melting
- freezing
Answer: freezing

input with options: Q: Osteoclasts and osteoblasts play key roles in repair of what? A:
OPTIONS:
- heart
- liver
- brain
- bone
output: bone

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

OPTIONS:
- kaleidoscope
- rainbow
- spots
- spectrum

A: spectrum

input: OPTIONS:
- humidity
- condensation
- precipitation
- heat Now, answer this question: Q: When fuel is burned most of the energy is released as what? A:
A:
output: heat

Q: Designed to exchange materials, what spongy structure consists of membranes and blood vessels from both mother and embryo? A:

OPTIONS:
- endometrium
- uterus
- umbilicus
- placenta

Answer: placenta

Q: Q: What are the areas located at fixed distances from the nucleus of the atom? A:

OPTIONS:
- molar levels
- atomic regions
- orbit points
- energy levels

A:
energy levels