Question: Q: Scrubbers and catalytic converters are examples of technologies that change what into harmless compounds? A:
OPTIONS:
- contaminants
- toxins
- mutations
- pollutants
Answer: pollutants

input with options: Q: What is the type of landscape that occurs at higher latitudes than deserts, has short grasses and low bushes, and are dry because they are in continental interiors? A:
OPTIONS:
- tundra
- plains
- plateau
- steppe
output: steppe

Q: Q: Sounds or pictures can be encoded in pulses of what, which are then sent through an optical fiber? A:

OPTIONS:
- kinetic energy
- microwaves
- quasars
- laser light

A: laser light

input: OPTIONS:
- calcium and helium
- nitrogen and helium
- hydrogen and carbon
- hydrogen and helium Now, answer this question: Q: What are the gas giants mostly made of . A:
A:
output: hydrogen and helium

Q: What is the term for the breakdown of unstable isotopes into stable elements? A:

OPTIONS:
- isotopic decay
- radioactive decrease
- secondary decay
- radioactive decay

Answer: radioactive decay

Q: Q: What process would be impossible without some variation in the inherited traits of organisms within a species? A:

OPTIONS:
- environmental selection
- darwin's selection
- characteristic selection
- natural selection

A:
natural selection