Question: Answer the following question given this paragraph: Evolution occurs in a population when its allele frequencies change over time. For example, the frequency of the A allele might change from 0.7 to 0.8. If that happens, evolution has occurred. What causes allele frequencies to change? The answer is forces of evolution. Q: What occurs in a population when its allele frequencies change over time? A:
OPTIONS:
- variation
- generation
- extinction
- evolution
Answer: evolution

input with options: Answer the following question given this paragraph: Nuclear energy is produced by splitting the nucleus of an atom. This releases a huge amount of energy. Q: Splitting the nucleus of an atom produces a massive amount of what type of energy? A:
OPTIONS:
- likely energy
- radioactive energy
- sure energy
- nuclear energy
output: nuclear energy

Q: Answer the following question given this paragraph: Q: Which plants sometimes colonize areas by disrupting interactions between native organisms? A:

OPTIONS:
- carnivorous exotic plants
- denser exotic plants
- bacteria exotic plants
- invasive exotic plants

A: invasive exotic plants

input: OPTIONS:
- electrical analysis
- chemical analysis
- gaseous analysis
- elemental analysis Now, answer this question: Answer the following question given this paragraph: In a procedure called elemental analysis , an unknown compound can be analyzed in the laboratory in order to determine the percentages of each element contained within it. These percentages can be transformed into the mole ratio of the elements, which leads to the empirical formula. The steps to be taken are outlined below. Q: What is the name of the procedure where an unknown compound can be analyzed in the laboratory in order to determine the percentages of each element contained within it? A:
A:
output: elemental analysis

Answer the following question given this paragraph: Q: What is located at the center of our solar system? A:

OPTIONS:
- a black hole
- the moon
- the earth
- the sun

Answer: the sun

Q: Answer the following question given this paragraph: Carbon dioxide is released when limestone is heated during the production of cement. Q: What gas associated with global warming is released when limestone is heated during the production of cement? A:

OPTIONS:
- carbon monoxide
- hydrogen
- oxygen
- carbon dioxide

A:
carbon dioxide