input: OPTIONS:
- Cooking
- Masks
- Glasses
- skin
- Gloves
- Hats
- Urea
- oxygen Now, answer this question: You are presented with the quiz "What keeps smoke out of the respiratory system?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "abreathing mask is used for keeping harmful particles from entering the respiratory system" and "all smoke is harmful to the respiratory system". So, what's the best answer to the question?
A:
output: Masks
You are presented with the quiz "What is true about the phylum Platyhelminthes?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "flatworms belong to the phylum Platyhelminthes" and "flatworms are bilaterally symmetric". So, what's the best answer to the question?

OPTIONS:
- a hemisphere is tilted away from the sun
- biological diversity
- they have bilateral symmetry
- characteristics
- Something with a head, thorax, and abdomen
- sub-units of species
- aerobic capacity
- The number of individuals

Answer: they have bilateral symmetry
Problem: OPTIONS:
- influenza
- smallpox
- cancer
- chickenpox
- viruses
- Pollution
- pathogens
- steroids
Q: You are presented with the quiz "What have a negative impact on an organism?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "disease has a negative impact on an organism" and "disease causing organisms are called pathogens ". So, what's the best answer to the question?
Answer: pathogens
Problem:OPTIONS:
- It goes to the remaining air molecules
- Temperature changing
- they travel great distances
- raising their temperature
- liquid precipitation
- changing phenomenon
- Movement of an air mass
- electrons in motion

You are presented with the quiz "What happens to the heat energy during condensation." But you don't know the answer, so you turn to your teacher to ask for hints. He says that "beads of water are formed by water vapor condensing" and "when water vapor condenses, energy in the form of heat is given to the remaining air molecules". So, what's the best answer to the question?
****
A: It goes to the remaining air molecules
You are presented with the quiz "what helps plants reproduce?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "plant reproduction requires pollination" and "insects pollinate plants". So, what's the best answer to the question?
OPTIONS:
- gene flow
- insects
- Earthworms
- glycogen
- Wind
- mitosis
- seeds
- energy
insects
You are presented with the quiz "what has freshwater that contains little or no salt?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "freshwater biomes have water that contains little or no salt" and "biomes are global ecosystems". So, what's the best answer to the question?
OPTIONS:
- our planet
- sweat
- swamp vegetation
- ocean
- NaCl
- aqueous solution
- solid, liquid, gas
- global ecosystems

Answer:
global ecosystems