Fact 1: Plasma cells are activated B cells that secrete antibodies. Fact 2: Antibodies are produced by plasma cells. Given the two facts above, antibodies are produced by activated B cells that do what?

OPTIONS:
- Animal survival
- killing insects
- interact
- secrete them
- migrate
- reproduce
- competition
- Allergies

Answer: secrete them

Problem: OPTIONS:
- a hydraulic system
- birds
- rivers
- clouds
- lava
- space travel
- engines
- electricity
Q: Fact 1: Transportation technology is used for moving people. Fact 2: Technology permits space travel and transportation. Given the two facts above, what is used for moving people?
Answer: space travel

Problem:OPTIONS:
- Toyota
- Energy
- corn
- soap
- space
- CO 2
- stone
- Trees

Fact 1: Ethanol is produced by alcoholic fermentation of the glucose in corn or other plants. Fact 2: Ethanol qualifies as an alternative fuel. Given the two facts above, what can be used as an alternative fuel?
****
A: corn

Fact 1: Many consumers feed at more than one trophic level. Fact 2: Carnivores are consumers which eat animals or other consumers. Given the two facts above, many what feed at more than one trophic level?
OPTIONS:
- roots
- humans
- carnivores
- cacti
- animals
- people
- algae
- plants
carnivores

Fact 1: Alight bulb requires electrical energy to produce light. Fact 2: Electrical energy refers to energy associated with the flow of electrons. Given the two facts above, what does a light bulb require to produce light?
OPTIONS:
- flow of electrons
- flow of neutrons
- the sun
- adding heat
- hydrogen and oxygen
- an electron lens
- h2o
- chemical messengers

Answer: flow of electrons

input with options: Fact 1: Aging is associated with the death of cells. Fact 2: Old cells have short telomeres. Given the two facts above, what is aging associated with?
OPTIONS:
- an organism's body
- decrease stamina
- Decrease bodily water
- Short telomeres
- forest is destroyed
- massive damage
- Earth orbiting the Sun
- Veins and arteries.
output:
Short telomeres