Problem:OPTIONS:
- Acids
- all plants
- anemia
- smallpox
- cigarettes
- all corals
- all bacteria
- acetic acid

Fact 1: Viruses cannot reproduce by themselves. Fact 2: Some smallpox viruses are maintained in laboratories. Given the two facts above, what cannot reproduce by itself?
****
A: smallpox

Fact 1: Reproduction is the process by which living things give rise to offspring. Fact 2: Whenever it starts to give birth, it gives birth up to two to four babies offspring. Given the two facts above, reproduction is the process by which living things what?
OPTIONS:
- Most plants
- allow growth
- spread flower seeds
- have wide set eyes
- members of their own species
- have birthing hips
- have quiet laughter
- give birth to babies
give birth to babies

Fact 1: Aplants require water for survival. Fact 2: Water hydrates the cells. Given the two facts above, plants require what for survival?
OPTIONS:
- warm nights
- Organic compounds
- long winters
- cool air
- nutrients
- sunlight
- Energy.
- cell hydration

Answer: cell hydration

Question: Fact 1: Conserving water can be used for survival in a dry environment. Fact 2: Many cacti have corrugated stems which can expand quickly if water becomes available. Given the two facts above, what feature of many cacti help them survive in dry environments?
OPTIONS:
- exoskeleton
- Spines for hunting
- Expandable stems
- an external framework
- cactuses
- Cooling pipes
- genetic diversity
- Loud organ pipes
Answer: Expandable stems

input with options: Fact 1: Roundworms reproduce sexually. Fact 2: Nematodes are millimeter-sized roundworms. Given the two facts above, what reproduces sexually?
OPTIONS:
- nematodes
- h2o
- viruses
- insects
- humans
- bacteria
- ferns
- Most plants
output: nematodes

Problem: OPTIONS:
- A compound that donates proton
- attach themselves to cells
- have sex with another virus
- distances themselves from cell
- attach themselves to viruses
- it needs them
- rapid expansion
- By wind and rain
Q: Fact 1: Viruses cannot reproduce by themselves. Fact 2: Viruses attach themselves to cells and reproduce. Given the two facts above, how can viruses make copies of themselves?
Answer:
attach themselves to cells