Q: Fact 1: Infection can cause bodily tissues to swell. Fact 2: Connective tissue is the common network for bodily systems and energy pathways. Given the two facts above, what can cause connective issues to swell? | OPTIONS:
- infection
- flooding
- smoking
- worms
- water
- bacteria
- zygotes
- air
A: infection

Q: Fact 1: Heating a liquid can be used to identify that liquid 's boiling point. Fact 2: Fire has intense heat. Given the two facts above, what can be used to identify a liquid's boiling point? | OPTIONS:
- Acids
- warmth
- sodium
- Urea
- sugar
- SO2
- fire
- energy
A: fire

Q: Fact 1: Being exposed to wind can cause erosion of soil. Fact 2: Soil erosion causes crop yields to decrease. Given the two facts above, what is a possible negative effect of exposing soil to wind ? | OPTIONS:
- It used to be covered by water
- exposure to cold
- decrease in crop yields
- greater food production
- elimination of harmful pests
- a tree falling
- wind power increases
- Damages them
A: decrease in crop yields

Q: Fact 1: Blowing air into a whistle causes air to vibrate inside the whistle. Fact 2: Referee's whistle blows. Given the two facts above, what can blow air? | OPTIONS:
- wind
- gravity
- density
- volume
- humans
- heat energy
- some mammals
- referees
A: referees