Q: You are presented with the quiz "the structural and functional units of the kidneys consist of vascular and tubular what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "nephrons are the structural and functional units of the kidneys" and "nephrons consist of vascular and tubular components". So, what's the best answer to the question?

OPTIONS:
- Epidermis
- organ
- epidermal
- it needs them
- critical organs
- sensory neurons
- components
- Joules

A: components
input: OPTIONS:
- humans
- They lay eggs
- Tropical
- bees
- insects
- subtropical
- perennials
- heterotrophs Now, answer this question: You are presented with the quiz "what reproduction requires pollination?" 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 "perennial types are planted outside in spring". So, what's the best answer to the question?
A:
output: perennials
You are presented with the quiz "What are vertebrates with four limbs?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "amphibians are the first true tetrapods, or vertebrates with four limbs" and "all frogs are amphibians". So, what's the best answer to the question?

OPTIONS:
- humans
- frogs
- fish
- Birds
- phytoplankton
- coral
- bears
- goats

Answer: frogs
Problem: OPTIONS:
- prevent heat loss
- coal burning
- it has a positive impact on it
- reducing acid rain
- pollution
- greenhouse gases
- Something that makes plants green
- Enriches the soil
Q: You are presented with the quiz "What does recycling do to the environment?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "conserving resources has a positive impact on the environment" and "recycling conserves natural resources". So, what's the best answer to the question?
Answer: it has a positive impact on it
Problem:OPTIONS:
- wings
- pistons
- white
- bats
- animals
- insects
- pollen
- ovaries

You are presented with the quiz "What shares a location with spiracles?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "wings are part of the exoskeleton and attached to the thorax" and "spiracles are located on the abdomen and thorax". So, what's the best answer to the question?
****
A: wings
Problem:OPTIONS:
- lower temperatures
- chemical reaction
- cooler weather
- serious problems
- Evaporation
- global warming
- kinetic energy
- refrigeration

You are presented with the quiz "Increasing heat causes what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "increasing heat causes thermal expansion" and "thermal expansion can cause serious problems". So, what's the best answer to the question?
****
A:
serious problems