Question: You are presented with the quiz "Concentrations of what have increased over the last decade dramatically?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "carbon dioxide concentrations in the air have increased over the last decade dramatically" and "carbon dioxide is a greenhouse gas". So, what's the best answer to the question?
OPTIONS:
- oxygen
- harmful substances
- light
- greenhouse gases in the air
- genetic diversity
- Greenhouse gasses
- basic building blocks of life
- ozone
Answer: greenhouse gases in the air
input with options: You are presented with the quiz "Which of the following animals is NOT an invertebrate?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "invertebrates are animals that lack a vertebral column, or backbone" and "geckos have backbones and are reptiles". So, what's the best answer to the question?
OPTIONS:
- shrimp
- orchids
- gecko
- sheep
- Schwinn
- jellyfish
- praying mantis
- Birds
output: gecko
Q: You are presented with the quiz "What do all vertebrates have?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "chordates have a complete digestive system and a closed circulatory system" and "all chordates are vertebrates". So, what's the best answer to the question?

OPTIONS:
- sensory neurons
- characteristics
- a complete digestive system
- Veins and arteries.
- sub-units of species
- wings and feathers
- gills
- gizzard

A: a complete digestive system
input: OPTIONS:
- group activities
- heat energy
- lack of teeth
- animals
- high altitidues
- mammals
- fur and fat
- feathers Now, answer this question: You are presented with the quiz "What are highly probable in the evolution of a group of bipedal dinosaurs?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "birds evolved from a group of bipedal dinosaurs called theropods" and "feathers are highly probable in the advanced bird-like theropods". So, what's the best answer to the question?
A:
output: feathers
You are presented with the quiz "What are formed in plants?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "aplant requires photosynthesis to grow" and "carbohydrates in plants are formed by photosynthesis". So, what's the best answer to the question?

OPTIONS:
- hydrogen and oxygen
- coded genes
- nucleus of a cell
- Carbohydrates
- Organic compounds
- circulatory systems
- organic molecules
- tiny polyps

Answer: Carbohydrates
Q: You are presented with the quiz "what happens to fibers after muscle activation?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "muscle contraction occurs when muscle fibers get shorter" and "muscle activation is a prerequisite for muscle contraction". So, what's the best answer to the question?

OPTIONS:
- It expands
- Localized damage
- It decreases
- get shorter
- they bend
- rapid expansion
- sweating
- movement

A:
get shorter