Fact 1: If fossils of an animal or plant are found in a place then that animal or plant used to live in that place. Fact 2: Dinosaurs are the most popular fossils. Given the two facts above, where are dinosaur remains usually found?

OPTIONS:
- mouth of rivers
- dead organisms
- where they used to live
- places they had never been
- where they visit occasionally
- places they would avoid
- sedimentary rocks
- deposit feeders

Answer: where they used to live

Problem: OPTIONS:
- layers of fat
- a lot of human deaths
- Walls of blood vessels.
- harmful substances
- the rest of the body
- metabolic reaction
- direct damage to the lungs
- decreases its bodily water
Q: Fact 1: Constriction occurs when the muscular walls of blood vessels contract. Fact 2: Cocaine constricts the blood vessels. Given the two facts above, cocaine causes what to contract?
Answer: Walls of blood vessels.

Problem:OPTIONS:
- H2O
- NaCl
- pH
- CO2
- CO 2
- O2
- O3
- H20

Fact 1: Running water is better able to dissolve oxygen and nutrients than standing water. Fact 2: Water is made up of H2O molecules. Given the two facts above, what dissolves oxygen better when running than standing?
****
A: H2O

Fact 1: Coral reefs provide food and shelter to many ocean organisms. Fact 2: Coral reefs fringe the shoreline. Given the two facts above, where do many ocean organisms find food and shelter?
OPTIONS:
- Earth orbiting the Sun
- the environment
- clams
- lakes
- gastropod shells
- coastlines
- near the shoreline
- deep sea
near the shoreline

Fact 1: Sand dunes are formed by the wind transporting and depositing sand. Fact 2: Winds are caused by pressure differences. Given the two facts above, sand dunes can be formed by?
OPTIONS:
- air mass over Earth's surface
- movements in the earth's crust
- The bending of a ray of light
- Movement of an air mass
- pressure differences.
- Physical weathering
- looseness of dirt or compost
- remains of prehistoric life

Answer: pressure differences.

input with options: Fact 1: If two balanced forces act on an object in opposite directions then that object will remain stationary. Fact 2: Pushes and pulls can change the movement of an object. Given the two facts above, what can change the movement of something or have it remain stationary?
OPTIONS:
- rolling around
- pulling chains
- a hydraulic system
- remaining motionless
- kinetic energy
- friction
- Electrical energy
- pushes and pulls
output:
pushes and pulls