Q: You are presented with the quiz "what is a laser used for producing?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "alaser is used for producing light" and "light seems to travel in rays or beams". So, what's the best answer to the question?

OPTIONS:
- Electrical energy
- electricity
- electron microscope
- density
- light bulbs
- rays or beams
- sounds
- hydrogen and oxygen

A: rays or beams

Q: You are presented with the quiz "what can animals use a long tail to move through?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "along tail can be used to move through water by an animal" and "water is made up of H2O molecules". So, what's the best answer to the question?

OPTIONS:
- beavers
- rain
- bogs
- h2o
- carbon
- H20
- oxygen
- Aves

A: h2o

Q: You are presented with the quiz "what do days become in fall?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "when the seasons change from the summer to the fall , the amount of daylight will decrease" and "then the days become colder and the number of daylight hours decreases". So, what's the best answer to the question?

OPTIONS:
- rainy
- ligt
- cold
- stormier
- colder
- hotter
- longer
- air cools

A: colder

Q: You are presented with the quiz "What is an animal experiencing when they need to replenish their body water?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "thirst is used to make an animal realize that it needs to replenish its bodily water by the body" and "common symptoms of dehydration are thirst, fatigue, headache, dizziness and dark, scant urine". So, what's the best answer to the question?

OPTIONS:
- Dehydration
- vaporization
- hypothyroidism
- Hydration
- evaporation
- uncontrolled
- Warmth
- Hunger

A:
Dehydration