Fact 1: Chordates have a complete digestive system and a closed circulatory system. Fact 2: Because reptiles are vertebrates, they are chordates. Given the two facts above, what have a complete digestive system and a closed circulatory system?

OPTIONS:
- viruses
- reptiles
- phytoplankton
- mammals
- bacteria
- graptolites
- humans
- elephants

Answer: reptiles

Problem: OPTIONS:
- drain the gasoline
- wash the gasoline
- cool down the gasoline
- move to different locations
- adding heat
- ignite the gasoline
- vaporization
- evaporation
Q: Fact 1: Using a gasoline engine requires burning gasoline. Fact 2: When the fuel is ignited, it burns with oxygen. Given the two facts above, if you want to use a gasoline engine, what must you do with the gasoline?
Answer: ignite the gasoline

Problem:OPTIONS:
- influenza
- Dehydration
- Pesticides
- disease
- viruses
- Bacteria
- toxins
- sea squirts

Fact 1: Microorganisms cause food to spoil. Fact 2: Among the threats to food and water safety are microorganisms such as bacteria. Given the two facts above, what causes food to spoil?
****
A: Bacteria

Fact 1: Harming an animal species causes that animal 's population to decrease. Fact 2: Species are the different kinds of organisms. Given the two facts above, harming a certain kind of animal will cause the population of that animal to do what?
OPTIONS:
- decrease
- eat more
- increase
- break off
- threatened
- reproduce
- reduce
- kill them
decrease

Fact 1: Scraping oneself on a contaminated object may cause infection. Fact 2: An infection is an invasion of the body by bacteria. Given the two facts above, scraping oneself on an object that is what, may cause an invasion of the body by bacteria?
OPTIONS:
- unknown
- safe
- threatened
- harmful substances
- Pollution
- foreign
- barrel-shaped
- contaminated

Answer: contaminated

input with options: Fact 1: Arubber band snapping causes the particles in the rubber band to vibrate. Fact 2: Rubber bands are available in the laboratory. Given the two facts above, something available in the where causes particles in itself to vibrate when snapping?
OPTIONS:
- kinetic energy
- voltage
- an object
- laboratory
- mechanical
- energy
- heat energy
- Energy.
output:
laboratory