Fact 1: Disease-causing microbes have a negative impact on the body. Fact 2: Microbes are also called bacteria or microorganisms. Given the two facts above, what bacteria have a negative impact on the body?
OPTIONS:
- helpful
- parasites
- disease-causing
- Roundworms.
- beneficial
- smallpox
- disease-curing
- a pathogens

Answer: disease-causing

Fact 1: Disease-causing microbes have a negative impact on the body. Fact 2: Pathogens are microbes that cause disease. Given the two facts above, what can have a negative impact on the body?
OPTIONS:
- Pesticides
- Growing a beard
- Pathogens
- Probiotics
- Restful sleep
- viruses
- smallpox
- bacteria

Answer: Pathogens

Fact 1: When water freezes , that water expands. Fact 2: Water pipes can freeze and burst. Given the two facts above, why do pipes sometimes burst during the winter?
OPTIONS:
- Water evaporating
- flooding
- Water expanding
- energy usage
- Water melting
- Water contracting
- colder weather
- massive damage

Answer:
Water expanding