input: OPTIONS:
- adult giraffes
- adult sea squirts
- gastropod shells
- adult starfish
- Leptospirosis
- adult sloths
- Veins and arteries.
- the body's largest organ Now, answer this question: Fact 1: Adult tunicates are barrel-shaped. Fact 2: Sea squirts are the best known tunicates. Given the two facts above, what are barrel-shaped?
A:
output: adult sea squirts

Fact 1: Sonar is used to find the location of an object. Fact 2: Periscopes are still useful, despite the sonar and electronic sensors of modern submarines. Given the two facts above, periscopes are used to find out what about objects?

OPTIONS:
- microscopic
- density
- location
- weight
- Light
- energy
- observe it
- age

Answer: location

Problem: OPTIONS:
- environment
- survival
- Deposition
- heat or cold
- Deposition.
- Salinity
- evaporation
- heat
Q: Fact 1: Organisms that live in marine biomes must be adapted to the salt in the water. Fact 2: Salinity is a measure of how much salt is in the water. Given the two facts above, organisms that live in marine biomes must be adapted to what?
Answer: Salinity

Problem:OPTIONS:
- cracks
- chemicals
- limestone
- crust
- headaches
- Nutrients
- horses
- dogs

Fact 1: Organisms cluster around hydrothermal vents in the ocean floor. Fact 2: Background Hot water vents form inside cracks in the ocean floor. Given the two facts above, what do organisms cluster around, in the ocean floor?
****
A: cracks

Fact 1: Erosion causes deposition. Fact 2: Silica sand is primarily mined from sandstone deposits. Given the two facts above, what forms silica sand?
OPTIONS:
- Sediment
- loose soil
- sunlight
- fire
- soft soil
- erosion
- gasoline
- rocks
erosion

Fact 1: Some viruses have an envelope of phospholipids and proteins. Fact 2: Phospholipids are body fats, too. Given the two facts above, viral envelopes are sometimes made of fats and what?
OPTIONS:
- cellulose
- glucose
- Energy.
- protein
- viral particles
- Energy
- food
- bacteria

Answer:
protein