Problem: OPTIONS:
- eating
- weathering
- Condensation
- rainfall
- calcite
- seeding
- burning
- sanding
Q: Fact 1: Soil is formed by weathering. Fact 2: Soil or dirt is a very heavy material. Given the two facts above, a very heavy material is formed by what?
Answer: weathering

Problem:OPTIONS:
- food
- fur and fat
- backbone
- power
- four limbs
- retina
- vision
- competition

Fact 1: Vertebrate chordates have a backbone. Fact 2: Chordates Chordates Chordates include fish, amphibians, reptiles, birds, and mammals. Given the two facts above, fish, amphibians, reptiles, birds, and mammals have what?
****
A: backbone

Fact 1: If an animal sweats then that animal 's bodily water decreases. Fact 2: Dogs only sweat from the bottoms of their feet, the only way they can discharge heat is by panting. Given the two facts above, from which part of a dog can bodily water escape?
OPTIONS:
- Veins and arteries.
- the skin
- aqueous solution
- Endocrine system
- epidermis and dermis
- Pituitary gland
- pituitary
- bottom of feet
bottom of feet

Fact 1: Spores may be dispersed by moving water, wind, or other organisms. Fact 2: Billions of spores can be produced on a single spore horn. Given the two facts above, what is one way billions of seeds be spread by?
OPTIONS:
- wind
- manufactured goods
- fossilization
- maples
- range
- Seesaw
- hail
- trees

Answer: wind

Question: Fact 1: Producers use energy and inorganic molecules to make food. Fact 2: Green plants are food producers. Given the two facts above, an example of an organism that uses energy and inorganic molecules to make food is a?
OPTIONS:
- green plant
- plants
- mammal
- peachleaf willow
- crustacean
- bacteria
- reptile
- rabbit
Answer: green plant

input: OPTIONS:
- by making heat
- Generating heat
- converting mass to energy
- photosyntehsis
- photosynthetic pigments?
- Evaporation of water
- heat production
- hydrogen and oxygen Now, answer this question: Fact 1: Nuclear reactions in stars causes stars to produce light. Fact 2: Nuclear reactions convert mass to energy. Given the two facts above, what causes stars to produce light?
A:
output:
converting mass to energy