Fact 1: If two balanced forces act on an object in opposite directions then that object will remain stationary. Fact 2: If an object is at equilibrium, then the forces are balanced. Given the two facts above, two forces at an equilibrium on an object in opposite directions will keep the object what?
OPTIONS:
- energy
- yanked
- mechanical
- moving
- stationary
- It will move.
- kinetic energy
- pulled

Answer: stationary

Question: Fact 1: Mollusks reproduce sexually. Fact 2: Some mollusks have a shell. Given the two facts above, what types of animals reproduce sexually?
OPTIONS:
- virus
- produce offspring
- larvae
- Some animals with shells
- mate with females
- By wind and rain
- spread flower seeds
- acellular
Answer: Some animals with shells

input with options: Fact 1: Fat is used to keep animals warm. Fact 2: Vegetation is required by many animals for warmth and security. Given the two facts above, fat is used to provide warmth and what?
OPTIONS:
- heat energy
- energy
- security
- disease
- concern
- support
- flavor
- growth
output: security

Q: Fact 1: Sinkholes are formed by precipitation. Fact 2: Rain is also known as precipitation. Given the two facts above, what forms sinkholes?

OPTIONS:
- spring
- gasoline
- LEDs
- worms
- dogs
- rain
- rivers
- fruit

A: rain

input: OPTIONS:
- humans
- bacteria
- Man
- viruses
- insects
- birds
- plankton
- toads Now, answer this question: Fact 1: Vertebrates are animals that have a backbone. Fact 2: Birds are warm-blooded vertebrates. Given the two facts above, what has a backbone?
A:
output: birds

Question: Fact 1: Rocks interacting with wind over long periods of time causes weathering. Fact 2: On Earth, rocks are weathered by wind and water, creating soil and sand. Given the two facts above, what causes rocks to weather?
OPTIONS:
- seasons
- force
- erosion
- storms
- water
- heat
- lightning
- gas
Answer:
water