Problem: OPTIONS:
- power
- steam
- single
- lever
Q: Q: What type of simple machine is a seesaw an example of? A:
Answer: lever

Problem:OPTIONS:
- Ocean
- Ozone Layer
- sediments
- organisms

Q: The nitrogen cycle moves nitrogen back and forth between the atmosphere and what? A:
****
A: organisms

Q: Water can be boiled to kill giardia and most other what? A:
OPTIONS:
- parasites
- bacteria
- germs
- pathogens
pathogens

Q: Photosynthesis uses solar energy, carbon dioxide, and water to produce energy-storing carbohydrates.what is produced as a waste product? A:
OPTIONS:
- methane
- calcium
- sulfur
- oxygen

Answer: oxygen

Question: Q: If you drive or take the bus to school or work, you are using a vehicle that probably burns gasoline, a material that burns fairly easily and provides energy to power the vehicle. recall that burning is a? A:
OPTIONS:
- physical change
- temperature change
- energy change
- chemical change
Answer: chemical change

input: OPTIONS:
- chemosynthetic plants
- chemosynthetic fish
- chemosynthetic viruses
- chemosynthetic bacteria Now, answer this question: Q: From what do tubeworms found deep in the galapagos rift get their energy from? A:
A:
output:
chemosynthetic bacteria