Fact 1: Evolution is a change in the characteristics of living things over time. Fact 2: Characteristics include traits like shape, color, size, and texture. Given the two facts above, in evolution, what changes in living things over time?

OPTIONS:
- traits
- gravity
- oxygen
- mammals
- h2o
- alleles
- animals
- insects

Answer: traits

Problem: OPTIONS:
- solar flares
- burning fossil fuels
- gas expanding
- Dehydration
- Warm air moving into cold air
- radio waves
- Greenhouse gasses
- Greenhouse gases
Q: Fact 1: Burning fossil fuels increases the carbon in the atmosphere. Fact 2: An increase in carbon dioxide, therefore, can cause an increase in the temperature of the lower atmosphere. Given the two facts above, what can can cause an increase in the temperature of the lower atmosphere?
Answer: burning fossil fuels

Problem:OPTIONS:
- energy of moving objects
- chemical messengers
- the body's largest organ
- peace
- Thinking hard
- Blowing a whistle
- Electrical energy
- death

Fact 1: Blowing air into a whistle causes air to vibrate inside the whistle. Fact 2: Sounds are vibrations in air. Given the two facts above, what creates sounds?
****
A: Blowing a whistle

Fact 1: Evolution occurs by a process called natural selection. Fact 2: Natural selection only selects functionally advantageous systems. Given the two facts above, what is usually chosen in evolution?
OPTIONS:
- common traits
- Plant reproduction
- advantageous systems
- undesirable traits
- Animal survival
- competition
- mysterious sytems
- Earth revolving around the sun
advantageous systems

Fact 1: Most canyons are formed by flowing rivers through erosion over long periods of time. Fact 2: Erosion was monitored by means of erosion pins. Given the two facts above, how do we track canyon changes?
OPTIONS:
- LEDs
- wind
- forces
- river
- slow
- Pins
- Raft
- three

Answer: Pins

input with options: Fact 1: The mass of an object causes the gravitational force exerted by that object. Fact 2: All gravitational forces are attractive, there is no repulsive gravitational force. Given the two facts above, what happens to the mass of an object when exerted by the object?
OPTIONS:
- It gets heated up
- absorb light energy
- heat is produced
- kinetic energy
- a hemisphere is tilted away from the sun
- is attractive not repulsive
- deadly and devastating
- a tree falling
output:
is attractive not repulsive