Q: Fact 1: Biofuel is used to produce electricity by burning. Fact 2: Ethanol, a form of alcohol, is already the most common biofuel. Given the two facts above, a form of alcohol is used to produce electricity by what?

OPTIONS:
- reducing heat
- burning
- spreading seeds
- sharing pressure
- deadly
- drinking
- consumers
- Decibels

A: burning

input: OPTIONS:
- oxidation reaction
- adding heat
- Water
- Name
- Mutagenic chemicals
- permineralization
- Air
- that material's properties Now, answer this question: Fact 1: Mutations may change the structure of a chromosome or just change a single nucleotide. Fact 2: Mutagenic chemicals cause mutations. Given the two facts above, what may change the structure of a nucleotide?
A:
output: Mutagenic chemicals

Fact 1: Glass cause refraction of light. Fact 2: Mirrors are plate glass. Given the two facts above, mirrors cause?

OPTIONS:
- heat energy
- direct energy
- depletion of light
- inspection of light
- flow of electrons
- refraction of light
- optical illusions
- The area was once underwater

Answer: refraction of light

Problem: OPTIONS:
- Light
- chemical energy
- matter
- plasma
- sound
- energy
- heat
- fire
Q: Fact 1: Afirecracker converts chemical energy into sound. Fact 2: Audible ground fireworks, such as firecrackers and chasers, are illegal in Kentucky. Given the two facts above, audible ground fireworks convert chemical energy into what?
Answer: sound

Problem:OPTIONS:
- cancer
- symptoms
- increased stamina
- influenza
- increased energy
- anemia
- disease
- environmental benefits

Fact 1: Smoking tobacco decreases stamina. Fact 2: Low-grade anemia can develop and lead to fatigue, decreased stamina and worse. Given the two facts above, what can smoking tobacco cause?
****
A: anemia

Problem:OPTIONS:
- food and shelter
- epidermal
- Epidermis
- all matter
- soft tissues
- alveoli
- warmth
- layers of fat

Fact 1: Bone provides protection for soft tissues and internal organs. Fact 2: Bones provide an outer shell to protect our internal organs. Given the two facts above, an animal's outer shell protects internal organs and:?
****
A:
soft tissues