input: OPTIONS:
- aqueous solution
- on cold surfaces
- jungles of the sea
- colder weather
- Evaporation
- colder and wetter
- Wet weather
- streams. Now, answer this question: Fact 1: Beads of water are formed by water vapor condensing. Fact 2: Moisture builds up in the air and condenses wherever the surfaces are cold. Given the two facts above, where is water likely to form beads?
A:
output: on cold surfaces

Fact 1: Chordates have a complete digestive system and a closed circulatory system. Fact 2: All chordates have jaws. Given the two facts above, what has a complete digestive system and a closed circulatory system?

OPTIONS:
- graptolites
- Veins and arteries.
- sunlight
- graphite
- fur seals
- viruses
- animals with jaws
- Most plants

Answer: animals with jaws

Problem: OPTIONS:
- Frogs
- pigeons
- gills
- alveoli
- fish
- ferns
- four limbs
- water
Q: Fact 1: Lungs are used for breathing air by land animals. Fact 2: Inside of the lungs are little sacks called alveoli. Given the two facts above, what are used for breathing air by land animals?
Answer: alveoli

Problem:OPTIONS:
- Flowers
- plants
- amoeba
- bacteria
- fungus
- snail
- fungi
- insects

Fact 1: Mollusks reproduce sexually. Fact 2: Mollusks in the diorama include snails and clams. Given the two facts above, which of the following organisms would reproduce sexually and not asexually?
****
A: snail

Fact 1: Rain causes erosion. Fact 2: Rain is also known as precipitation. Given the two facts above, what causes erosion?
OPTIONS:
- rainfall
- the Moon
- precipitation
- vehicles
- ice wedging
- Venus
- Mars
- mouth of rivers
precipitation

Fact 1: Coal is used for generating heat by burning. Fact 2: CO 2 and SO 2 are both given off when coal is burned to provide heat or to generate electricity. Given the two facts above, when is coal burning _ is given off?
OPTIONS:
- CO 2
- energy
- vaporization
- SO2
- pollution
- oxygen
- carbon
- smoke

Answer:
CO 2