Problem:OPTIONS:
- airy
- power
- warm
- liquid
- dry
- energy
- empty
- down

Fact 1: Insulated material can be used for keeping warm. Fact 2: Insulators are materials that prevent the flow of heat. Given the two facts above, materials that prevent the flow of heat can be used for keeping what?
****
A: warm

Fact 1: Flatworms belong to the phylum Platyhelminthes. Fact 2: Flatworms are bilaterally symmetric. Given the two facts above, what does the phylum Platyhelminthes usually have?
OPTIONS:
- resistance
- Veins and arteries.
- Leptospirosis
- sensory neurons
- bilateral symmetry
- parasites
- food and shelter
- aerobic capacity
bilateral symmetry

Fact 1: Some parasites live on the surface of their host. Fact 2: Leeches are external parasites. Given the two facts above, where do leeches live in relation to their hosts?
OPTIONS:
- In their beds
- body water
- competing for resources
- In their shoes
- loose soil
- In their intestines
- important habitats
- On their surface

Answer: On their surface

Question: Fact 1: Harming an animal species causes that animal 's population to decrease. Fact 2: Killing snakes is more than unnecessary and harmful to the ecosystem. Given the two facts above, what can killing snakes cause?
OPTIONS:
- Snake population decrease.
- DNA damage and mutations
- Snake population variation.
- death and devastation
- dead organisms
- Snake population increase.
- Destroy crops
- Snake population stabilization
Answer: Snake population decrease.

input with options: Fact 1: Cells are the microscopic building blocks of organisms. Fact 2: Life is a living organism. Given the two facts above, the microscopic building blocks of life are cells?
OPTIONS:
- made
- cells
- compounds
- mitochondria
- fungi
- molecules
- ferns
- plants
output: cells

Problem: OPTIONS:
- The flow of water
- loose soil
- Drought
- deforestation
- Adequate subsurface drainage
- mouth of rivers
- Physical weathering
- Lack of rain
Q: Fact 1: Erosion can cause a landslide. Fact 2: And the erosion caused by the unimpeded flow of water is an example of unintentional change. Given the two facts above, what can cause landslides?
Answer:
The flow of water