Question: Amphibians have a relatively complex circulatory system with a three-chambered heart, and all frogs are amphibians. Given these facts, what has a relatively complex circulatory system with a three-chambered heart among the following options: - sharks - pan - frogs - Man - Birds - alpacas - salmon - a fish
Answer: frogs

Question: Hitting an object causes the particles in that object to vibrate, and frequency is the measurable rate of that vibration. Given these facts, what changes to the particles of an object when hit among the following options: - Temperature - frequency - Energy. - volume - molecules - density - energy - heat energy
Answer: frequency

Question: If food is not immediately used by the body for energy then that food will be stored for future use, and foods high in carbohydrates are used mostly for energy. Given these facts, what happens to carbohydrates that aren't used among the following options: - Dehydration - They may not survive. - Decrease bodily water - uncontrolled - adding heat - They're stored - sweating - it needs them
Answer:
They're stored