Problem:OPTIONS:
- rainy
- Pacific
- thunder
- Halloween
- steam
- rain
- glass
- mystery

You are presented with the quiz "What is an analogue to fog?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "fog is formed by water vapor condensing in the air" and "an example of water vapor is steam". So, what's the best answer to the question?
****
A: steam

Problem:OPTIONS:
- organ
- insects
- made
- warm
- three
- complex
- closed
- epidermal

You are presented with the quiz "what kind of circulatory system can some segmented animals have?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "annelids have the amazing capacity to regrow segments that break off" and "annelids have closed circulatory systems". So, what's the best answer to the question?
****
A: closed

Problem:OPTIONS:
- Softwoods.
- Conifers
- Aloe.
- Most plants
- Sunflower seeds.
- white
- epidermal
- Fern plant.

You are presented with the quiz "What type of plant produces seeds in cones?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "gymnosperms are vascular plants that produce seeds in cones" and "softwoods, on the other hand, are gymnosperms ". So, what's the best answer to the question?
****
A: Softwoods.

Problem:OPTIONS:
- major threat to health
- types of flat leeches
- Plant growth is reduced
- types of earthworms
- competing for resources
- types of snakes
- types of flatworms
- parasites

You are presented with the quiz "flukes, tapeworms, and turbell are" 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 Flatworms or Platyhelminthes include flukes, tapeworms, and turbellarians". So, what's the best answer to the question?
****
A:
types of flatworms