Q: Fact 1: Plants use cellulose for their cell walls. Fact 2: Basically, fiber is cellulose . Given the two facts above, plants use what for their cell walls? | OPTIONS:
- sugar
- cations
- sulfur
- fiber
- glucose
- Carbon
- Cane.
- peat
A: fiber

Q: Fact 1: Alight bulb requires electrical energy to produce light. Fact 2: Coal today is mostly used for power plants creating electricity. Given the two facts above, what can power a light bulb? | OPTIONS:
- copper
- coal
- Cars
- Gas
- motors
- heat
- energy
- metal
A: coal

Q: Fact 1: Courtship is behavior that is intended to attract a mate. Fact 2: Almost all animals display colors to attract a mate or to scare off a predator. Given the two facts above, for animals, displays of color can be viewed as:? | OPTIONS:
- spectrum
- prudishness
- rainbow
- courtship
- positive
- harm them
- produce light
- Movement
A: courtship

Q: Fact 1: Amold spore has a negative impact on the respiratory system. Fact 2: Pulmonologists treat lungs and respiratory systems. Given the two facts above, who can treat issues caused by mold spores? | OPTIONS:
- herbicide
- podiatrists
- physical therapists
- dentists
- radiography
- one celled organisms
- graptolites
- pulmonologists
A: pulmonologists