Q: You are presented with the question "What causes ice sculptures to turn to liquid? " and the following answer choices: - UV rays - Snow - salt and water. - Heat energy - air cools - kinetic energy - Subzero temperatures - Water expanding Now knowing that melting means changing from a solid into a liquid by adding heat energy and ice Sculptures melt away, choose the best answer.
A: Heat energy

Q: You are presented with the question "what type of antigens does the immune system recognize as foreign to the body?" and the following answer choices: - animals - epidermal - Allergies - negative - dangerous - graptolites - group of atoms - homogenous Now knowing that antigens are molecules that the immune system recognizes as foreign to the body and molecules are a group of atoms, choose the best answer.
A: group of atoms

Q: You are presented with the question "What is motion sickness related to?" and the following answer choices: - smell - sight - balance - heat - body - disease - athletes - humans Now knowing that balance is the ability to sense and maintain body position and motion sickness is related to our sense of balance, choose the best answer.
A: balance

Q: You are presented with the question "Animals usually require what for survival?" and the following answer choices: - organic molecules - organic material - Fluctuating body temperature. - Ears - food and shelter - Cold blood - Organic compounds - Constant body temperature. Now knowing that an animal usually requires a warm body temperature for survival and warm blooded animals have a constant body temperature, choose the best answer.
A: Constant body temperature.