Problem: OPTIONS:
- break off
- renew
- observe it
- kill them
- light up
- heat
- freeze
- refract
Q: Fact 1: Sunlight and rain can cause a rainbow. Fact 2: Raindrops refract light into rainbows. Given the two facts above, sunlight and rain can cause light to do what?
Answer: refract

Problem:OPTIONS:
- Light
- beaches
- survive
- salinity
- land
- sand
- Energy.
- Energy

Fact 1: Coral reefs provide food and shelter to many ocean organisms. Fact 2: Salinity is vital for animals that live in the ocean. Given the two facts above, coral reefs provide food and shelter to animals that require what?
****
A: salinity

Fact 1: Bivalves feed on plankton and nonliving organic matter. Fact 2: Most animals that live on rocky shores eat plankton. Given the two facts above, most animals that live on rocky shores eat what?
OPTIONS:
- after too much water received
- scarce resources
- nonliving organic matter
- mammals
- Something made from fermented ricce
- large animals
- birds
- harmful substances
nonliving organic matter

Fact 1: All chemical reactions require activation energy to get started. Fact 2: Catalysts lower the activation energy for reactions. Given the two facts above, catalysts lower the input required for chemical reactions to what?
OPTIONS:
- temperature
- It decreases
- adding heat
- Under 32 degrees
- Decibels
- reduce
- the environment
- get started

Answer: get started

Question: Fact 1: Many consumers feed at more than one trophic level. Fact 2: Humans are consumers in food webs. Given the two facts above, what feed at more than one trophic level?
OPTIONS:
- cows
- tortoises
- density
- animals
- humans
- bananas
- goats
- stomach
Answer: humans

input: OPTIONS:
- dust
- rain
- excretory
- nutrients
- excretion
- food
- liquid
- ice Now, answer this question: Fact 1: Acactus stem is used for storing water. Fact 2: Typically, the liquid is water. Given the two facts above, a cactus stem is used for storing what?
A:
output:
liquid