Problem: OPTIONS:
- convection
- chemical reactions
- evaporation
- radiation
Q: Q: This knocks electrons from atoms and turns them into ions? A:
Answer: radiation

Problem:OPTIONS:
- mechanism review
- embrace review
- process review
- peer review

Q: What is the process where scientific articles are checked and analyzed by other scientists before publication? A:
****
A: peer review

Q: Most sedimentary rocks form from what? A:
OPTIONS:
- volcanic activity
- glaciers
- erosion
- sediments
sediments

Q: Pigments are substances that absorb what? A:
OPTIONS:
- synthetic light
- artificial light
- natural light
- visible light

Answer: visible light

Question: Q: The lighter photic zone and darker aphotic zone are determined by what? A:
OPTIONS:
- water reflection
- water shape
- water density
- water depth
Answer: water depth

input: OPTIONS:
- square boxes
- big flashlights
- flat paper
- thin glass tubes Now, answer this question: Q: What do optical fibres look like? A:
A:
output:
thin glass tubes