Q: You are presented with the quiz "an image in a mirror is formed by reflecting" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "an image in a mirror is formed by reflecting light" and "light is made of photons ". So, what's the best answer to the question?

OPTIONS:
- sunlight
- radiation
- atoms
- gravitions
- Joules
- photons
- sun's heat
- Smooth

A: photons

Q: You are presented with the quiz "Burning which of these increases carbon in the atmosphere?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "burning fossil fuels increases the carbon in the atmosphere" and "natural gas is the cleanest of the fossil fuels". So, what's the best answer to the question?

OPTIONS:
- wind energy
- natural gas
- green manures
- Greenhouse gases
- solar energy
- Conifers
- engines
- oxygen

A: natural gas

Q: You are presented with the quiz "what are a class of 4 legged animals that produce amniotic eggs" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "reptiles are a class of tetrapod vertebrates that produce amniotic eggs" and "most reptiles, are considered to be tetrapods, or 4 legged animals". So, what's the best answer to the question?

OPTIONS:
- parasites
- allow growth
- feet
- Reptiles
- to stay warm
- warm-blooded
- insects
- fertile

A: Reptiles

Q: You are presented with the quiz "what do insects have?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "most invertebrates have a nervous system" and "invertebrates Among the invertebrates, the largest number of species are insects". So, what's the best answer to the question?

OPTIONS:
- four limbs
- liver
- sensory neurons
- epidermis and dermis
- lizards
- spiders
- important habitats
- nervous system

A:
nervous system