Fact 1: Atelephone is used for communication by humans over long distances. Fact 2: Effective communication requires skills in conveying and receiving messages. Given the two facts above, what does a telephone help humans do over long distances?

OPTIONS:
- send files
- Transfers energy
- lowered energy cost
- hold hands
- extremely important
- conveying and receiving messages
- watch television
- A transportation fuel

Answer: conveying and receiving messages

Problem: OPTIONS:
- ability to sense light
- principals of aerodynamics
- kinetic energy
- swimming slower
- refraction of light
- poor swiming
- bending light rays
- dynamic relationships
Q: Fact 1: Webbed feet are used for moving faster through water by aquatic animals. Fact 2: Aquatic animals moving through water are also subject to the principles of aerodynamics. Given the two facts above, aquatic animals in water use webbed feet due to what?
Answer: principals of aerodynamics

Problem:OPTIONS:
- Energy.
- cholesterol
- animals
- layers of fat
- fur and fat
- Chemical energy
- kinetic energy
- Energy

Fact 1: Steroid hormones are made of lipids, such as phospholipids and cholesterol. Fact 2: Steroids are a kind of growth hormones. Given the two facts above, growth hormones are derived from phospholipds and:?
****
A: cholesterol

Fact 1: Some viruses can cause cancer. Fact 2: Human papillomavirus, or HPV, is the name of a group of viruses. Given the two facts above, what can HPV cause?
OPTIONS:
- a hazard
- harm
- cancer
- sweating
- heightened abilities
- anemia
- good health
- comfort
cancer

Fact 1: Acavern is formed by carbonic acid in groundwater seeping through rock and dissolving limestone. Fact 2: Erosion by acid solutions is only one way that caves form. Given the two facts above, how are caves formed?
OPTIONS:
- less water
- eruptions
- Water expanding
- storing water
- volcanoes
- by humans
- chemical erosion
- hard outer covering

Answer: chemical erosion

input with options: Fact 1: Powering an electrical device with a battery requires a path for electricity to flow through a closed circuit. Fact 2: An electric circuit is a closed path for electron flow. Given the two facts above, electron flow allows a battery to do what?
OPTIONS:
- power an electrical device
- disconnect
- move to different locations
- heat is produced
- matter vibrating
- photosynthesis
- fuel cell
- preventing heat transfer
output:
power an electrical device