Problem:OPTIONS:
- it keeps an organism warm
- penis
- allow growth
- change density
- allows male reproduction
- rapid expansion
- cause death
- Release energy

Fact 1: Ejaculation occurs when muscle contractions propel sperm from the epididymes. Fact 2: Ejaculation allows males to reproduce. Given the two facts above, what does propelling sperm from the epididymes do?
****
A: allows male reproduction

Fact 1: Faulting of rock in Earth 's crust causes earthquakes. Fact 2: Earthquakes and tremors are common in Yellowstone. Given the two facts above, faulting of rock in Earth 's crust causes what?
OPTIONS:
- friction
- conversion
- mitosis
- loose soil
- tremors
- Movement
- crust
- waves
tremors

Fact 1: Landfills have a negative impact on the environment. Fact 2: Most municipal trash is disposed of in such landfills. Given the two facts above, what mostly has a negative effect on the environment?
OPTIONS:
- pure water
- deforestation
- animals
- cigarettes
- municipal trash
- pure oxygen
- smoking tobacco
- chlorofluorocarbons

Answer: municipal trash

Question: Fact 1: The looseness of soil has a positive impact on a plant 's roots' growth in that soil. Fact 2: Deep burrowing earthworms improve soil porosity, water movement and plant root growth. Given the two facts above, deep burrowing earthworms do what to the looseness of soil for root growth?
OPTIONS:
- compact
- improve
- nutrients
- destroy
- erosion
- support
- decrease
- Movement
Answer: improve

input with options: Fact 1: Chordates have a complete digestive system and a closed circulatory system. Fact 2: Because reptiles are vertebrates, they are chordates. Given the two facts above, vertebrates have a complete digestive system and a closed what?
OPTIONS:
- digestive tract
- lung system
- the body's largest organ
- circulatory system
- Veins and arteries.
- brain stem
- all liquids
- major threat to health
output: circulatory system

Problem: OPTIONS:
- shrub beds
- ovaries
- ferns
- barnacles
- fertile
- bushes
- trees
- plants
Q: Fact 1: Female gametophytes produce eggs inside the ovaries of flowers. Fact 2: Angiosperm gametophytes are in the flower. Given the two facts above, where are gametophytes?
Answer:
ovaries