Fact 1: High pressure systems cause clear weather. Fact 2: High barometric pressure indicates clear weather. Given the two facts above, what causes clear weather?
OPTIONS:
- our nearest star
- electromagnetic energy
- looseness of dirt or compost
- Animal survival
- The area was once underwater
- evaporation
- barometric pressure
- windpower operated machines
barometric pressure

Fact 1: Astronauts require preserved food for extended flights. Fact 2: Food has been irradiated for our astronauts for over 30 years. Given the two facts above, what food is required for space travel?
OPTIONS:
- hydration
- humans
- Energy.
- irradiated
- heat energy
- nutrients
- Proteins
- survival

Answer: irradiated

Question: Fact 1: Carpooling decreases the amount of cars used to travel to a place. Fact 2: Arrange carpools to conserve fuel. Given the two facts above, decreasing what during travel likely conserves fuel?
OPTIONS:
- the energy of the car
- air mass over Earth's surface
- the amount of cars used
- the size of the wheels
- the amount of water used
- kinetic energy
- preventing heat transfer
- energy usage
Answer: the amount of cars used

input with options: Fact 1: Echinoderms use pheromones to communicate with each other. Fact 2: Echinoderms are represented by the starfish. Given the two facts above, starfish use _ to communicate with each other.?
OPTIONS:
- scattered light
- pheromones
- heat produced
- sound
- waves
- Chemical energy
- electricity
- kinetic energy
output: pheromones

Q: Fact 1: Loud noises can cause animals to startle. Fact 2: Flat spots on rail car wheels cause a loud banging noise. Given the two facts above, flat spots on rail car wheels can cause what to startle?

OPTIONS:
- animals
- water
- planes
- vehicles
- people
- nerves
- deaf people
- an object

A: animals

Fact 1: Adding salt to a liquid decreases the melting point of that liquid. Fact 2: Sodium Chloride: It is a table salt . Given the two facts above, what do you add to decrease the melting point of a liquid?
OPTIONS:
- salinity
- Dehydration
- Heat energy
- sodium chloride
- layers of fat
- chemical changes
- evaporation
- aqueous solution
sodium chloride