Ques: You are presented with the question "what requires electrical energy to function?" and the following answer choices: - vehicles - h2o - oxygen - Something to move - critical organs - carbon - nervous system - lie detectors Now knowing that electric devices require electrical energy to function and lie detectors are electrical or mechanical devices, choose the best answer.
Ans: lie detectors

Ques: You are presented with the question "What keeps a fire burning?" and the following answer choices: - energy - heat - Covering it with dirt - sun's heat - Removing fuel - power - fanning - Dousing it with water Now knowing that fanning a fire increases the oxygen near the fire and fire needs oxygen to continue burning, choose the best answer.
Ans: fanning

Ques: You are presented with the question "What contains genetic instructions?" and the following answer choices: - cells - cows - Oak - embryos - pollen - Flowers - seeds - legumes Now knowing that dNA contains genetic instructions for proteins, and RNA helps assemble the proteins and dNA is the genetic material of cells, choose the best answer.
Ans: cells

Ques: You are presented with the question "What is the result of a dolphin keeping a high metabolism rate?" and the following answer choices: - generate blood cells - generate heat - overheating - develop cancer - kinetic energy - aerobic capacity - exercise - Energy. Now knowing that mammals generate heat mainly by keeping their metabolic rate high and all dolphins are mammals and all mammals breathe air, choose the best answer.
Ans:
generate heat