Q: Fact 1: Echinoderms use pheromones to communicate with each other.  Fact 2: All echinoderms are deuterostomes .  Given the two facts above, what use pheromones to communicate with each other?

OPTIONS:
- passenger pigeons
- honeybees
- deuterostomes
- Most plants
- insects
- animals
- huddle together
- orchids

A: deuterostomes

input: OPTIONS:
- energy
- Pollution
- Evaporation
- moist soil
- Energy.
- flooding
- kinetic energy
- Heat energy Now, answer this question: Fact 1: Water vapor condensing in clouds causes rain.  Fact 2: When it rains, the rain moistens the soil.  Given the two facts above, what does water vapor condensing in the clouds cause?
A:
output: moist soil

Fact 1: Viruses cause many human diseases.  Fact 2: Infectious disease is the leading cause of human death worldwide.  Given the two facts above, what can cause death?

OPTIONS:
- weathering
- chemicals
- Cars
- respiration
- viruses
- flooding
- digestion
- Pesticides

Answer: viruses

Problem: OPTIONS:
- lakes with large rocks
- a hydraulic system
- organisms and their habitat
- streams with two branches
- water with old boards
- scarce resources
- fissures of hot, acidic water
- streams with fallen trees
Q: Fact 1: Hydropower requires damming a river.  Fact 2: Streams and rivers are crossed on rocks, beaver dams, on fallen trees or by wading.  Given the two facts above, hydropower requires beavers damming what?
Answer: streams with fallen trees

Problem:OPTIONS:
- pH
- food
- fats
- bamboo
- death
- sodium
- lies
- jealousy

Fact 1: An animal requires nutrients to grow and heal.  Fact 2: Foods contain nutrients that provide people with necessary energy and essential nutrients.  Given the two facts above, what does an animal require to grow and heal?
****
A: food

Problem:OPTIONS:
- The object drinks the fluid
- The fluid is heavier
- It weighs more
- permineralization
- erosion
- The object absorbs its energy
- a hydraulic system
- to move people

Fact 1: If an object in a fluid is more dense than that fluid then that object will sink in that fluid because of gravity.  Fact 2: Weight is the force of gravity on an object.  Given the two facts above, why will an object sink in fluid?
****
A:
It weighs more