input: OPTIONS:
- mantle
- roots
- core
- cliffs
- death
- tissue
- soil
- Roads Now, answer this question: Fact 1: Acid rain has a negative impact on water quality. Fact 2: Acid rain changes the acidity of soil and water. Given the two facts above, what can acid rain change?
A:
output: soil

Fact 1: Agenerator converts kinetic energy into electrical energy. Fact 2: Electrical energy is converted into light energy in the headlights. Given the two facts above, a generator converts kinetic energy into something, which can then be converted to light by what?

OPTIONS:
- focusing a lens
- sensory neurons
- headlights
- heating liquids
- sunlight
- Evaporation
- cycles
- engines

Answer: headlights

Problem: OPTIONS:
- the moon and the stars
- just bacteria
- peachleaf willow
- dogs only
- swamp vegetation
- huddle together
- Most plants
- different animals
Q: Fact 1: Communities consist of populations of different species. Fact 2: Each species of animal is unique. Given the two facts above, what do communities consist of populations of?
Answer: different animals

Problem:OPTIONS:
- recycling
- food processing
- digestion
- bacteria
- eating
- hydration
- Dehydration
- blender

Fact 1: Digestion is the process of breaking down food into components the body can absorb. Fact 2: Nutrients are absorbed by the intestines and if the walls are coated, fewer nutrients are absorbed. Given the two facts above, what is the process of breaking down food into nutrients?
****
A: digestion

Fact 1: Cells are the basic units of the structure and function of living things. Fact 2: Humans, angels, animals, and all other living things are finite. Given the two facts above, what are cells the basic units of?
OPTIONS:
- density
- clouds
- embryos
- plants
- matter
- ferns
- humans
- batteries
humans

Fact 1: Heterotrophs get food by eating other living things. Fact 2: Animals are heterotrophs, or other-feeders. Given the two facts above, what do animals use as a food course?
OPTIONS:
- it keeps an organism warm
- water
- Generating heat
- Organic compounds
- deadwood
- light energy
- other living things
- inorganic

Answer:
other living things