input: OPTIONS:
- Pollutants
- energy barrier
- competition
- temperature
- Fire danger
- Shade
- Trees
- disease Now, answer this question: Fact 1: Planting trees has a positive impact on an ecosystem. Fact 2: Forest ecosystems, from trees to microbes, remove pollutants in a number of ways. Given the two facts above, what can planting trees reduce?
A:
output: Pollutants

Fact 1: Sweating reduces body heat. Fact 2: Excessive perspiration occurs and sweat glands become active. Given the two facts above, what reduces body heat?

OPTIONS:
- Electrical energy
- with their fur
- fur and fat
- Evaporation
- blankets
- perspiration
- fire
- electrons

Answer: perspiration

Problem: OPTIONS:
- grass
- multi-celled organisms
- seeds
- Something that causes allergies
- major threat to health
- single-celled organisms
- microorganisms
- Food poisoning
Q: Fact 1: Prokaryotes are single-celled organisms that lack a nucleus. Fact 2: Bacteria and archaebacteria are prokaryotes. Given the two facts above, bacteria and archaebacteria examples of what?
Answer: single-celled organisms

Problem:OPTIONS:
- Plant reproduction
- sub-units of species
- gastropod shells
- an individual mature sponge
- Microscopic organisms
- members of their own species
- peachleaf willow
- seed dispersal

Fact 1: Adult sponges produce eggs and sperm. Fact 2: An adult is mature, fully developed. Given the two facts above, what produces both eggs and sperm?
****
A: an individual mature sponge

Fact 1: Smoking tobacco decreases stamina. Fact 2: Tobacco is smoked in pipes or in cigarettes or bidis. Given the two facts above, what decreases stamina?
OPTIONS:
- water
- liver cancer
- cancer
- food
- cigarettes
- burning
- toxins
- exercise
cigarettes

Fact 1: Soil erosion means soil loss through wind. Fact 2: Soil erosion is one of the leading causes of water pollution in the United States. Given the two facts above, what is one consequence of soil loss?
OPTIONS:
- Decrease bodily water
- humans disturb it
- drying out
- flooding
- contamination
- deforestation
- chemical changes
- Water pollution

Answer:
Water pollution