You are presented with the quiz "What does acid rain have a negative impact on?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "acid rain has a negative impact on water quality" and "plants thrive on quality water". So, what's the best answer to the question?

OPTIONS:
- limestone
- watershed
- animals
- humans
- nitrogen
- plants
- soils
- hydrogen

Answer: plants

You are presented with the quiz "What can cause animals to leave their environment?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "natural disasters can cause animals to leave an environment" and "and like fire, flooding is a common and widespread natural disaster". So, what's the best answer to the question?

OPTIONS:
- predators
- rainfall
- space travel
- flooding
- drought
- mines
- wind
- weather

Answer: flooding

You are presented with the quiz "What does fur do?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "preventing the transfer of heat from an organims 's body causes that organism to keep warm" and "fur or feathers help hold heat in, but some body heat always escapes". So, what's the best answer to the question?

OPTIONS:
- it serves as food
- refract or absorb.
- It helps them survive
- absorb light energy
- it catches fire
- it drowns the organism
- structure and function
- it keeps an organism warm

Answer: it keeps an organism warm

You are presented with the quiz "Tsunamis are often cause by what in the earth's crust?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "faulting of rock in Earth 's crust causes earthquakes" and "earthquakes can cause a tsunami". So, what's the best answer to the question?

OPTIONS:
- waves
- faulting.
- flooding
- pressure
- friction
- Movement
- erosion
- heat

Answer:
faulting.