Problem: OPTIONS:
- space
- living things
- hydrogen and oxygen
- massless objects
- objects that have mass
- fissures of hot, acidic water
- nothingness
- principals of aerodynamics
Q: Fact 1: Gravity causes objects that have mass to be pulled down on a planet. Fact 2: Another name for Mars is the Red Planet. Given the two facts above, gravity causes what to be pulled down on Mars?
Answer: objects that have mass

Problem:OPTIONS:
- bioaerosols
- layers of fat
- orchids
- animals
- critical organs
- sensory neurons
- eukaryotes
- it needs them

Fact 1: Introns are regions that do not code for proteins. Fact 2: Prokaryotes lack introns, whereas eukaryotes contain introns. Given the two facts above, prokaryotes lack regions that do not code for proteins, while this type of living being has them:?
****
A: eukaryotes

Fact 1: Erosion causes a river to become deeper and wider. Fact 2: Canyon formed as a consequence of river erosion. Given the two facts above, what are formed as rivers become deeper and wider?
OPTIONS:
- sinkholes
- soils
- body water
- loose soil
- craters
- mountains
- canyons
- Sediment
canyons

Fact 1: Urine is the liquid waste product of the body that is excreted by the urinary system. Fact 2: Acid urine is usually darker thatn alkaline urine. Given the two facts above, what can liquid waste be?
OPTIONS:
- gas
- Gaseous
- Solid
- Acidic
- acid rain
- expelled
- Static
- dangerous

Answer: Acidic

Question: Fact 1: Crumple means change shape from smooth into compacted by physical force. Fact 2: Crumple zones and bumpers are often weaker and poorer performing than in cars. Given the two facts above, what part of a car easily changes shape from smooth to compacted by physical force?
OPTIONS:
- rock
- arteries
- fender-bender
- an object
- bumper
- wreck
- Gravity
- sedan
Answer: bumper

input: OPTIONS:
- habitats grow
- salamanders
- animals develop
- times change
- It helps them survive
- principals of aerodynamics
- environments change
- remains of prehistoric life Now, answer this question: Fact 1: Specialization occurs when competing species evolve different adaptations. Fact 2: Most species are highly specialized for their environments and evolve as the environments change. Given the two facts above, specialization occurs when competing creatures evolve as the what?
A:
output:
environments change