input with options: Q: The elements in group 2 are called what? A:
OPTIONS:
- halogens
- metal alloys
- noble gases
- alkaline earth metals
output: alkaline earth metals

Q: Q: What term decribes the amount of time required for half of the original material to decay in an isotope? A:

OPTIONS:
- radioactive isotope
- Geiger count
- life cycle
- half-life

A: half-life

input: OPTIONS:
- pressured environment
- electrolyte environment
- exothermic environment
- isotonic environment Now, answer this question: Q: An environment in which cells neither sink nor swell is known as what? A:
A:
output: isotonic environment

Q: What is a galvanic process that can be prevented using cathodic protection? A:

OPTIONS:
- explosion
- sublimation
- vaporization
- corrosion

Answer: corrosion

Problem: OPTIONS:
- germs
- Antibiotic
- synthesis
- steroid
Q: Q: What kind of hormones are derived from cholesterol? A:
Answer: steroid

Q: Particulates cause lung diseases. they can also increase the risk of heart disease and the number of what? A:

OPTIONS:
- coughing
- cancer
- shortness of breath
- asthma attacks

Answer:
asthma attacks