Problem: OPTIONS:
- low pressure systems
- fissures of hot, acidic water
- zero pressure systems
- fossil fuels
- harmful substances
- no pressure systems
- high pressure systems
- Greenhouse gases
Q: Fact 1: High pressure systems cause clear weather. Fact 2: During windy weather, the pollution is dispersed and cleared away. Given the two facts above, what cause pollution to disperse?
Answer: high pressure systems

Problem:OPTIONS:
- detritus
- stalactites
- watershred
- swamp vegetation
- patch reefs
- soft soil
- kalenchoes
- erosion

Fact 1: Stalactites are formed by deposition. Fact 2: And new sediments such as clay and sand are being deposited by water. Given the two facts above, what are formed by sediments such as clay and sand by water?
****
A: stalactites

Fact 1: Cells that divide uncontrollably may form a tumor, or abnormal mass of cells. Fact 2: Cancers are growths of abnormal cells. Given the two facts above, cells that divide uncontrollably may form what?
OPTIONS:
- divided attention
- illness
- uncontrollable urges
- massive damage
- bacteria
- cancer growth
- Veins and arteries.
- growing limbs
cancer growth

Fact 1: Ablack hole is formed by a high-mass star collapses. Fact 2: Bigger mass means smaller star. Given the two facts above, a black hole is formed by a what diameter star?
OPTIONS:
- heat
- matter
- size
- small
- dead
- nucleus
- burning
- deadly

Answer: small

Question: Fact 1: Plants that are adapted to very dry environments are called xerophytes. Fact 2: Bromeliads and cacti are xerophytes. Given the two facts above, what are adapted to very dry environments?
OPTIONS:
- otters
- toads
- plants
- cacti
- seeds
- adaptations
- alpacas
- spores
Answer: cacti

input: OPTIONS:
- tail fins
- Animal fur
- fur seals
- keratin
- nitrogen
- snow
- Epidermis
- poultry Now, answer this question: Fact 1: Hair helps to insulate and protect the body. Fact 2: Hair is composed of the protein keratin. Given the two facts above, what helps to insulate and protect the body?
A:
output:
keratin