Q: You are presented with the quiz "What has to happen for roundworms to reproduce?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "roundworms reproduce sexually" and "fertilisation is a key feature of sexual reproduction". So, what's the best answer to the question?

OPTIONS:
- Fertilization
- rapid expansion
- Plants growth
- an organism's body
- permineralization
- bioaerosols
- temperature changes
- competition

A: Fertilization
input: OPTIONS:
- starfish
- warmth
- a flame
- trees
- cigarettes
- an object
- sunlight
- engines Now, answer this question: You are presented with the quiz "What converts chemical energy into light and heat energy?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "fire converts chemical energy into light and heat energy" and "fires are large uncontrolled flames". So, what's the best answer to the question?
A:
output: a flame
You are presented with the quiz "What do microbial fuel cells and electric generators both create?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "microbial fuel cells convert chemical energy into electrical energy" and "electric generators convert mechanical energy into electric energy". So, what's the best answer to the question?

OPTIONS:
- sunlight
- electricity
- vehicles
- chemical energy
- Greenhouse gases
- engines
- to move people
- light

Answer: electricity
Problem: OPTIONS:
- Vanes
- Joules
- the sun
- waves
- motion
- photons
- eyes
- retina
Q: You are presented with the quiz "what do mirrors reflect?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "an image in a mirror is formed by reflecting light" and "mirrors in telescopes reflect light waves". So, what's the best answer to the question?
Answer: waves
Problem:OPTIONS:
- Energy.
- Energy
- Oxygen
- electron
- Cells
- lmestone
- Wood
- Lungs

You are presented with the quiz "What helps a fungi's cellular respiration?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "oxygen is essential for cellular respiration for all aerobic organisms" and "fungi are aerobic organisms". So, what's the best answer to the question?
****
A: Oxygen
Problem:OPTIONS:
- Greenhouse gasses
- chemical changes
- Pollution
- plants to die
- harmful substances
- tornadoes
- sleepiness
- lima beans

You are presented with the quiz "sulfur can cause what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "changes in the pH of soil can cause plants to die" and "sulfur lowers pH in soil". So, what's the best answer to the question?
****
A:
plants to die