Question: Answer the following question given this paragraph: Each day, hundreds of weather balloons are launched. Made of a synthetic rubber and carrying a box of instruments, the helium-filled balloon rises up into the sky. As it gains altitude, the atmospheric pressure becomes less and the balloon expands. At some point the balloon bursts due to the expansion, the instruments drop (aided by a parachute) to be retrieved and studied for information about the weather. Q: Why will water balloons launched into the air eventually burst? A:
OPTIONS:
- heat
- momentum
- friction
- expansion
Answer: expansion

input with options: Answer the following question given this paragraph: Alkanes are nonpolar; they do not attract ions. Q: Alkanes are nonpolar and therefore do not attract what? A:
OPTIONS:
- molecules
- eons
- atoms
- ions
output: ions

Q: Answer the following question given this paragraph: Catalytic converters are used on motor vehicles. They break down pollutants in exhaust to non-toxic compounds. For example, they change nitrogen oxides to harmless nitrogen and oxygen gases. Q: Catalytic converters used on motor vehicles break down pollutants in what, yielding non-toxic compounds? A:

OPTIONS:
- muffler
- intake
- oil
- exhaust

A: exhaust

input: OPTIONS:
- acids
- neutrons
- resistors
- nucleophiles Now, answer this question: Answer the following question given this paragraph: Electrophiles have a strong tendency to react with nucleophiles. CONCEPTUAL PROBLEMS. Q: Electrophiles have a strong tendency to react with what? A:
A:
output: nucleophiles

Answer the following question given this paragraph: Another sign of a species' state of health is the density of its populations. Population density is the average number of individuals in a population for a given area. Density is a measure of how crowded or spread out the individuals in a population are on average. For example, a population of 100 deer that live in an area of 10 square kilometers has a population density of 10 deer per square kilometer. Q: What is the term for the average number of individuals in a population for a given area? A:

OPTIONS:
- result density
- population structure
- Area Density
- population density

Answer: population density

Q: Answer the following question given this paragraph: Figure 4.11 The nucleus stores chromatin (DNA plus proteins) in a gel-like substance called the nucleoplasm. The nucleolus is a condensed region of chromatin where ribosome synthesis occurs. The boundary of the nucleus is called the nuclear envelope. It consists of two phospholipid bilayers: an outer membrane and an inner membrane. The nuclear membrane is continuous with the endoplasmic reticulum. Nuclear pores allow substances to enter and exit the nucleus. Q: Where does the nucleus store chromatin ? A:

OPTIONS:
- chloroplasts
- ribosome
- xerophyte
- nucleoplasm

A:
nucleoplasm