You are presented with the quiz "What does a porcupine do with its spines when it's threatened?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "threatening behavior by predators causes a porcupine to extend its quills" and "puffers are smooth skinned while Porcupines have the characteristic spines or quills". So, what's the best answer to the question?
OPTIONS:
- killing insects
- Shoot them
- kill them
- protect them
- Extend them
- Shed them
- Retract them
- behave

Answer: Extend them
Question: You are presented with the quiz "Temperature falls from lower to higher where?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "temperature falls from lower to higher altitudes" and "temperatures are cooler in the higher altitudes of the mountains". So, what's the best answer to the question?
OPTIONS:
- space
- burning coal
- underground
- mountains
- frontal zones
- the ground
- deserts
- burrows
Answer: mountains
input with options: You are presented with the quiz "Which sense do animals use to avoid predators?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "hearing is used for sensing sound by animals" and "animals utilize sound to localize mates and avoid approaching predators". So, what's the best answer to the question?
OPTIONS:
- Neuron.
- taste
- hearing
- hormones
- sense of humor
- retina
- the eyes
- deafness
output: hearing
Q: You are presented with the quiz "what happens to fibers after muscle activation?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "muscle contraction occurs when muscle fibers get shorter" and "muscle activation is a prerequisite for muscle contraction". So, what's the best answer to the question?

OPTIONS:
- It expands
- Localized damage
- It decreases
- get shorter
- they bend
- rapid expansion
- sweating
- movement

A: get shorter
input: OPTIONS:
- solar flares
- burning fossil fuels
- gas expanding
- Dehydration
- Warm air moving into cold air
- radio waves
- Greenhouse gasses
- Greenhouse gases Now, answer this question: You are presented with the quiz "What can can cause an increase in the temperature of the lower atmosphere?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "burning fossil fuels increases the carbon in the atmosphere" and "an increase in carbon dioxide, therefore, can cause an increase in the temperature of the lower atmosphere". So, what's the best answer to the question?
A:
output: burning fossil fuels
Question: You are presented with the quiz "What is the purpose of organs of excretion?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "organs of excretion make up the excretory system" and "urinary system Excretory system removes waste and toxic substances from blood". So, what's the best answer to the question?
OPTIONS:
- Removing waste from blood
- Producing offspring
- storing water
- water conservation
- it protects them
- destroying bacteria
- Circulating blood
- Producing hormones
Answer:
Removing waste from blood