Q: Radon (rn) is a radioactive gas formed by the decay of naturally occurring uranium in rocks such as granite. it tends to collect in the basements of houses and poses a significant health risk if present in indoor air. many states now require that houses be tested for radon before they are what? A:
OPTIONS:
- modified
- seen
- built
- sold

Answer: sold

Question: Q: Mixtures that have the same composition throughout are known as what kinds of mixtures? A:
OPTIONS:
- contiguous
- zygomatic
- heterogeneous
- homogeneous
Answer: homogeneous

input with options: Q: What is the process of creating an exact genetic replica of an organism called? A:
OPTIONS:
- reproducing
- copying
- converting
- cloning
output: cloning

Q: Q: Approximately how many billion years ago did our solar system begin? A:

OPTIONS:
- four billion
- three billion
- nine billion
- five billion

A: five billion

input: OPTIONS:
- nucleus
- molecule
- organ system
- tissue Now, answer this question: Q: What do you call a group of cells of the same kind that performs the same function? A:
A:
output: tissue

Question: Q: Energy cannot be created or destroyed - it can only change what? A:
OPTIONS:
- kind
- fluid
- shape
- form
Answer:
form