input: OPTIONS:
- ribosomes
- receptors
- DNA
- chromosomes Now, answer this question: Q: Every species has a characteristic number of what? A:
A:
output: chromosomes

input: OPTIONS:
- pollution
- hurricanes
- floods
- droughts Now, answer this question: Q: What occurs when there is little to no rain in a period of time? A:
A:
output: droughts

input: OPTIONS:
- regular ion
- strong ion
- native ion
- common ion Now, answer this question: Q: What is an ion that is in common to both salts in a solution? A:
A:
output:
common ion