Fact 1: Flowers produce spores that develop into gametophytes. Fact 2: Gametophytes arise from a protonema. Given the two facts above, protonemas develop into what?
OPTIONS:
- alveoli
- ferns
- lmestone
- disease
- illness
- parasites
- gas
- spores
spores

Fact 1: Active immunity results when an immune response to a pathogen produces memory cells. Fact 2: Pathogens are germs that cause disease. Given the two facts above, active immunity is when an immune response occurs after a germ produces what?
OPTIONS:
- harmful substances
- bioaerosols
- rapid expansion
- Allergies
- anemia
- it needs them
- Chemical energy
- memory cells

Answer: memory cells

Question: Fact 1: Rain causes erosion. Fact 2: Rain is liquid precipitation. Given the two facts above, liquid precipitation causes what?
OPTIONS:
- erosion
- streams.
- drought
- rainfall
- bodies
- flooding
- Pollution
- sand
Answer: erosion

input with options: Fact 1: Amirror is used for reflecting light. Fact 2: Light enters the camera through the lens and is reflected upward by the mirror to the ground glass. Given the two facts above, what redirects light in a camera?
OPTIONS:
- cactuses
- microscope
- photons
- electricity
- The shutter
- A mirror
- A photo
- The film
output: A mirror

Q: Fact 1: Caffeine is a central nervous system stimulant. Fact 2: Coffee is an excellent source of caffeine. Given the two facts above, what is a central nervous system stimulant?

OPTIONS:
- blood
- NaCl
- SO2
- coffee
- h2o
- salt
- vinegar
- A drug.

A: coffee

Fact 1: Creating paper requires cutting down trees. Fact 2: Saving trees helps stop global warming. Given the two facts above, reducing paper production would directly help stop what international problem?
OPTIONS:
- Greenhouse gases
- obesity
- global warming
- cool summers
- deforestation
- population movement
- antibiotic resistant bacteria
- Greenhouse gasses
global warming