Q: You are presented with the quiz "what does ice melt into?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "melting is when solids are heated above their melting point" and "solid ice is melted into liquid water". So, what's the best answer to the question? | OPTIONS:
- gas
- water
- a solute
- air
- a delta
- crust
- liquid
- lava
A: liquid

Q: You are presented with the quiz "What can cause an aneurysm?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "infection can cause bodily tissues to swell" and "an aneurysm is a swelling in a blood vessel". So, what's the best answer to the question? | OPTIONS:
- smoking
- infection
- bacteria
- viruses
- Pollution
- steroids
- influenza
- rays or beams
A: infection

Q: You are presented with the quiz "What has a circulatory system with a two-chambered heart?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "fish have a circulatory system with a two-chambered heart" and "fish, such as tuna, is a high protein food". So, what's the best answer to the question? | OPTIONS:
- salmon
- Man
- Toyota
- Birds
- koalas
- tuna
- sharks
- toads
A: tuna

Q: You are presented with the quiz "What increases the productivity and stability of ecosystems?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "biodiversity increases the productivity and stability of ecosystems" and "biodiversity is basically genetic diversity". So, what's the best answer to the question? | OPTIONS:
- Fully cooking the oysters
- genetic uniformity
- genetic diversity
- extinction
- agriculture
- disease
- Earth orbiting the Sun
- recycling
A: genetic diversity