input: OPTIONS:
- kinetic energy
- Loud noises
- vibrating waves
- An object is seen
- electromagnetic energy
- deoxyribonucleic acid
- hydrogen and oxygen
- harmful substances Now, answer this question: Fact 1: Afirecracker converts chemical energy into sound. Fact 2: Sound waves vibrate. Given the two facts above, a firecracker converts chemical energy into what?
A:
output: vibrating waves

Fact 1: Testosterone stimulates the reproductive organs to develop into male organs. Fact 2: Male mammals have a tube-like organ called the 'penis'. Given the two facts above, what causes the penis to develop?

OPTIONS:
- Creatine
- Energy
- Estrogen
- Testicles
- matter vibrating
- Testosterone
- movement
- It expands

Answer: Testosterone

Problem: OPTIONS:
- photomorphism
- phototropism
- photosynthesis
- peachleaf willow
- Conifers
- Exfoliation
- vegetation
- photochromic
Q: Fact 1: Plants exhibit phototropism, or growing toward a light source. Fact 2: Light comes from the sun. Given the two facts above, what is plant's tendency to grow toward the sun called?
Answer: phototropism

Problem:OPTIONS:
- salt water
- state
- sea
- estuaries
- rivers
- atlantic ocean
- Sediment
- Deposition

Fact 1: Marine biomes are found in the salt water of the ocean. Fact 2: Estuaries display characteristics of both marine and freshwater biomes. Given the two facts above, where are salt and freshwater biomes found?
****
A: estuaries

Fact 1: Vinegar can cause harm to the eyes. Fact 2: Vinegar is dilute acetic acid. Given the two facts above, what can acetic acid do to the eyes?
OPTIONS:
- treat cataracts
- harm them
- Relieve pain
- Dehydration
- kill them
- hydrate them
- protect them
- cleanse them
harm them

Fact 1: Amphibians have a relatively complex circulatory system with a three-chambered heart. Fact 2: Frogs, toads and salamanders are amphibians. Given the two facts above, which animal has a circulatory system with a three-chambered heart?
OPTIONS:
- animals
- Salamander
- fur seals
- mammals
- alpacas
- a fish
- warm-blooded
- barnacles

Answer:
Salamander