Problem: OPTIONS:
- exoskeleton
- four limbs
- communication
- nervous system
- hormones
- in the frog family
- proteins
- circulatory systems
Q: Fact 1: Sound can be used for communication by animals. Fact 2: Animals use sound in sophisticated ways. Given the two facts above, animal what is sophisticated?
Answer: communication

Problem:OPTIONS:
- glass
- basalt
- calcite
- soils
- fire
- water
- air
- sand

Fact 1: Weathering means breaking down rocks from larger whole into smaller pieces by weather. Fact 2: Basalts are volcanic, micro-crystalline rock. Given the two facts above, what is broken down from larger to smaller pieces by weather in weathering?
****
A: basalt

Fact 1: Killing microorganisms in food can be used to extend the shelf life of that food. Fact 2: Irradiation kills microorganisms that spoil food. Given the two facts above, what can be used to extend the shelf life of food?
OPTIONS:
- irradiation
- farming
- Dehydration
- rays or beams
- vegetables
- Cooking
- Enzymes
- fruit
irradiation

Fact 1: Reproduction is the process by which living things give rise to offspring. Fact 2: Sex equals reproduction. Given the two facts above, what is the process by which living things give rise to offspring?
OPTIONS:
- DNA
- photosynthesis
- bird
- sex
- subtraction
- gametes
- eggs
- ovum

Answer: sex

Question: Fact 1: Healing requires rest. Fact 2: Healing and cell regeneration follows. Given the two facts above, what requires rest?
OPTIONS:
- kinetic energy
- amphibians
- all animals
- watching tv
- oxygen
- most organisms
- Time and energy
- cell regeneration
Answer: cell regeneration

input: OPTIONS:
- electricity
- mines
- slate
- iron
- soils
- calcite
- water
- complex Now, answer this question: Fact 1: Extreme heat and pressure change rock into metamorphic rock. Fact 2: Slate is an example of a metamorphic rock. Given the two facts above, extreme heat and pressure change rock into what?
A:
output:
slate