You are presented with the quiz "The emission of what causes acid rain?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "the emission of sulfur dioxide causes acid rain" and "sulfur Dioxide and Asthmatics A highly reactive colorless gas smelling like rotten eggs, sulfur dioxide derives primarily from fossil fuel combustion". So, what's the best answer to the question?
OPTIONS:
- Material carrying electricity
- decomposing dead organisms
- DNA damage and mutations
- soil loss through hurricanes
- Something that smells like rotten eggs
- extreme heat and pressure
- chemical compound NaCl
- generating heat by burning
Something that smells like rotten eggs
You are presented with the quiz "What does vision give you?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "sight is the ability to sense light, and the eye is the organ that senses light" and "vision begins with sight". So, what's the best answer to the question?
OPTIONS:
- ability to eat
- characteristics
- ability to taste
- ability to sense light
- ability to sense sound
- It gets more light
- Something that is self-aware
- Your sensory system picks it up

Answer: ability to sense light
Question: You are presented with the quiz "Chemical splashing can cause what to humans?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "chemical splashing can cause harm to humans" and "grave bodily harm generally refers to crippling injuries". So, what's the best answer to the question?
OPTIONS:
- Dehydration
- burned shoelaces
- crippling injuries
- Greenhouse gasses
- clear nasal passages
- cracked tonsils
- cause their death
- decrease stamina
Answer: crippling injuries
input with options: You are presented with the quiz "what does skin protect from?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "skin is used for protecting the body from harmful substances" and "sunlight, however, is harmful to the skin". So, what's the best answer to the question?
OPTIONS:
- photons
- cold air
- electricity
- forces
- toxins
- sunlight
- heat energy
- sun's heat
output: sunlight
Q: You are presented with the quiz "What in soil is vital for healthy roots?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "the looseness of soil increases the amount of oxygen in that soil" and "oxygen in the soil is vital for healthy roots". So, what's the best answer to the question?

OPTIONS:
- looseness
- nutrients
- leftovers
- compacted
- ferns
- cells
- energy
- trash

A: looseness
You are presented with the quiz "How do male dogs mark their territory?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "male dogs use pheromones in urine to mark their territory" and "during Urination Dog's urine is used as a scent marker for other dogs". So, what's the best answer to the question?
OPTIONS:
- Chemical energy
- Hot dog eating contest
- Adequate signage
- with their fur
- Scent marker
- heat produced
- mate with females
- Paint
Scent marker