Q: You are presented with the quiz "What causes ice sculptures to turn to liquid? " But you don't know the answer, so you turn to your teacher to ask for hints. He says that "melting means changing from a solid into a liquid by adding heat energy" and "ice Sculptures melt away". So, what's the best answer to the question? | OPTIONS:
- UV rays
- Snow
- salt and water.
- Heat energy
- air cools
- kinetic energy
- Subzero temperatures
- Water expanding
A: Heat energy

Q: You are presented with the quiz "what type of antigens does the immune system recognize as foreign to the body?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "antigens are molecules that the immune system recognizes as foreign to the body" and "molecules are a group of atoms". So, what's the best answer to the question? | OPTIONS:
- animals
- epidermal
- Allergies
- negative
- dangerous
- graptolites
- group of atoms
- homogenous
A: group of atoms

Q: You are presented with the quiz "What is motion sickness related to?" But you don't know the answer, so you turn to your teacher to ask for hints. He says that "balance is the ability to sense and maintain body position" and "motion sickness is related to our sense of balance". So, what's the best answer to the question? | OPTIONS:
- smell
- sight
- balance
- heat
- body
- disease
- athletes
- humans
A: balance

Q: You are presented with the quiz "Animals usually require what for survival?" 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 "warm blooded animals have a constant body temperature". So, what's the best answer to the question? | OPTIONS:
- organic molecules
- organic material
- Fluctuating body temperature.
- Ears
- food and shelter
- Cold blood
- Organic compounds
- Constant body temperature.
A: Constant body temperature.