Problem:OPTIONS:
- Tin
- Aluminium
- zinc
- copper

Q: What type of metal is a good conductor of electricity? A:
****
A: copper

Q: Altitude is height above what? A:
OPTIONS:
- the earth's core
- the earth's surface
- the water table
- sea level
sea level

Q: Light-weight air-filled bones and a large four-chambered heart helps a bird do what? A:
OPTIONS:
- swim
- digest
- run
- fly

Answer: fly

Question: Q: The kidneys help control acid-base balance by excreting _____ and generating bicarbonate that helps maintain blood plasma ph within a normal range? A:
OPTIONS:
- magnesium ions
- sodium ions
- lithium ions
- hydrogen ions
Answer: hydrogen ions

input with options: Q: Frogs and toads have long back legs which are specialized for what action? A:
OPTIONS:
- flying
- swimming
- sprinting
- jumping
output: jumping

Problem: OPTIONS:
- continuation
- competition
- dualism
- cooperation
Q: Q: What is it called when individual organisms work together with one another? A:
Answer:
cooperation