Question: Q: The electrolysis of what substance produces hydrogen and oxygen gases A:
OPTIONS:
- cholesterol
- carbon dioxide
- hydrocarbon
- water
Answer: water

input with options: Q: What is the name for the term that describes deep ocean water rising the surface? A:
OPTIONS:
- percolating
- leaking
- up-rising
- upwelling
output: upwelling

Q: Q: What are fresh water biomes defined by? A:

OPTIONS:
- high salt content
- moving water
- animal species
- low salt concentration

A: low salt concentration

input: OPTIONS:
- no energy
- high energy
- low sand density
- low energy Now, answer this question: Q: What causes waves to bring sand up onto the beach during summers? A:
A:
output: low energy

Q: What stages in the life of a cell does the cell cycle include? A:

OPTIONS:
- adult stages
- intermediate stages
- both
- all

Answer: all

Q: Q: What element is an essential part of many molecules needed by living organisms? A:

OPTIONS:
- helium
- silicon
- hydrogen
- nitrogen

A:
nitrogen