Q: You are presented with the quiz "If ethanol were burned, what could be made?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "biofuel is used to produce electricity by burning" and "biofuels include ethanol, methanol, biodiesel, biocrude, and methane". So, what's the best answer to the question?

OPTIONS:
- nuclear waste
- energy
- massive damage
- coal tar
- Solutions
- engines
- electricity
- plastic

A: electricity

Q: You are presented with the quiz "What happens when faults move?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "faulting of rock in Earth 's crust causes earthquakes" and "faults, cracks in the Earth's crust, produce earthquakes when they move or slip". So, what's the best answer to the question?

OPTIONS:
- The crust falls apart
- Dilution
- Rocks break
- scattered light
- symptoms
- Earthquakes
- The ground closes
- mechanical

A: Earthquakes

Q: You are presented with the quiz "what food is required for space travel?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "astronauts require preserved food for extended flights" and "food has been irradiated for our astronauts for over 30 years". So, what's the best answer to the question?

OPTIONS:
- hydration
- humans
- Energy.
- irradiated
- heat energy
- nutrients
- Proteins
- survival

A: irradiated

Q: You are presented with the quiz "Mutation leads to _." But you don't know the answer, so you turn to your teacher to ask for hints. He says that "mutation creates new genetic variation in a gene pool" and "genetic variation is the raw material for evolution". So, what's the best answer to the question?

OPTIONS:
- Devolution
- Plants growth
- rapid expansion
- Evolution.
- Degeneration
- Extinction
- massive damage
- anemia

A:
Evolution.