Q: You are presented with the quiz "what enters the eye through the pupil and falls on the retina?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "when light enters the eye through the pupil , that light falls on the retina" and "intermediate length rays are visible as light". So, what's the best answer to the question?

OPTIONS:
- an electron microscope
- rain or sun shine
- iris
- rods and cones
- an electron lens
- Chemical energy
- intermediate length rays
- hydrogen

A: intermediate length rays

Q: You are presented with the quiz "If heat is applied to metal the metal will become what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "if heat is conducted to an object then that object will become hot" and "metals conduct heat energy ". So, what's the best answer to the question?

OPTIONS:
- rust
- burn
- purple
- gas
- iron
- hot
- metallic
- cold

A: hot

Q: You are presented with the quiz "populations need for food can lead to what" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "competition may lead to aggressive behaviors or displays of aggression" and "population Competition for food in larger animals leads to territory being established and defended". So, what's the best answer to the question?

OPTIONS:
- agriculture
- rapid expansion
- drinking
- death and devastation
- sadness
- displays of aggression
- massive damage
- sorrow

A: displays of aggression

Q: You are presented with the quiz "What can communicate with sounds?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "animals can communicate with sounds, chemicals, or visual cues" and "bats and owls are nocturnal animals". So, what's the best answer to the question?

OPTIONS:
- the Sun
- sheep
- rocks
- bears
- Birds
- air molecules
- phone
- bats

A:
bats