input: OPTIONS:
- smell and taste
- biodiversity
- a building to live in
- regulated body heat
- a mate
- sense organs
- food and shelter
- a car Now, answer this question: You are presented with the quiz "What do most animals need to be sure they survive on the Earth?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "an animal usually requires a warm body temperature for survival" and "temperature Temperature is an measurement of the amount of heat". So, what's the best answer to the question?
A:
output: regulated body heat
You are presented with the quiz "What feature of the landscape will result from hydropower?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "hydropower requires damming a river" and "rivers are dammed to create reservoirs and hydroelectric power". So, what's the best answer to the question?

OPTIONS:
- mountain
- river
- ocean
- Conifers
- salinity
- erosion
- homogenous
- resevoir

Answer: resevoir
Problem: OPTIONS:
- frequency wave
- friction
- electrically
- h2o
- death
- chemical reaction
- elastic
- Electrical energy
Q: You are presented with the quiz "what does a rubber band snapping cause?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "arubber band snapping causes the particles in the rubber band to vibrate" and "by it's nature, a vibration is a frequency wave ". So, what's the best answer to the question?
Answer: frequency wave
Problem:OPTIONS:
- Fir
- wind
- Palm
- blue
- elms
- Oak
- Ficus
- Aves

You are presented with the quiz "Which tree's leaves change color in autumn" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "the color of leaves on deciduous trees usually changes in the autumn season" and "common deciduous trees are the oak, elm and beech". So, what's the best answer to the question?
****
A: Oak
You are presented with the quiz "Erosion breaks rocks down from larger parts into what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "weathering means breaking down rocks from larger whole into smaller pieces by weather" and "erosion begins with the weathering, or breaking down, of rocks and soil". So, what's the best answer to the question?
OPTIONS:
- river
- ground
- soil
- small
- dirt
- tiny
- crust
- sand
soil
You are presented with the quiz "coal is used to produce electricity by burning in inherently modular what?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "coal is used to produce electricity by burning in coal-fire power stations" and "coal-fired power stations are inherently modular". So, what's the best answer to the question?
OPTIONS:
- heat
- stations
- trees
- heat energy
- similar
- cells
- adding heat
- engines

Answer:
stations