Q: What characteristics of an organism help it survive? A:

OPTIONS:
- systems
- additions
- Changes
- adaptations

Answer: adaptations

Problem: OPTIONS:
- water vapor
- freon
- calcium
- hydrogen
Q: Q: What type of gas are stars made up of? A:
Answer: hydrogen

Problem:OPTIONS:
- oxygen production
- gasoline
- water filtration
- food

Q: What are angiosperms most important function to humans? A:
****
A: food

Q: Volume is another way of measuring what? A:
OPTIONS:
- length
- weight
- height
- material
material

Q: Winds moving air masses causes what? A:
OPTIONS:
- earthquake
- tremors
- tsunami
- weather

Answer: weather

input with options: Q: Liquid hcl can be used to do what to the ph of a swimming pool? A:
OPTIONS:
- increase it
- raise it
- heighten it
- lower it
output:
lower it