Fact 1: Urine leaves the body through a sphincter in the process of urination. Fact 2: Urination requires relaxation of the sphincter muscle. Given the two facts above, what leaves the body upon relaxation of a muscle?

OPTIONS:
- sweat
- urine
- Energy.
- Energy
- fat
- lead
- blood
- gasoline

Answer: urine

Fact 1: Antibodies are large, Y-shaped proteins that recognize and bind to antigens. Fact 2: Some of the antibodies, antophospholipid antibodies, cause blood clots. Given the two facts above, some proteins do what to antigens to cause blood clots?

OPTIONS:
- edema
- Toxins
- H 2 O
- bind
- work
- fusion
- HIV
- damage

Answer: bind

Fact 1: Microorganisms cause food to spoil. Fact 2: Bacteria are microorganisms that exist everywhere. Given the two facts above, what causes food to spoil?

OPTIONS:
- viruses
- Pesticides
- influenza
- disease
- bacteria
- spills
- water
- ice

Answer: bacteria

Fact 1: Erosion of soil has a negative impact on the environment. Fact 2: Across the earth, land degradation is on the rise through erosion, salination, pollution, etc. Given the two facts above, land degradation causes what effects on the enviroment?

OPTIONS:
- climate
- flooding
- pollinization
- hydroponic
- blooming
- negative
- disease
- wind

Answer:
negative