Question: If exposure to tobacco smoke causes tumors, then what causes lung tumors? Answer choices: - oxidation reaction - cancer - Pollution - rays or beams - fossil fuels - diabetes - Pesticides - tobacco smoke
Answer: tobacco smoke

Question: If evolution studies characteristics over time, then what does evolution study over time? Answer choices: - Plant reproduction - sensory neurons - Plants growth - Animal survival - survival - competition - characteristics - light energy
Answer: characteristics

Question: If atoaster converts electrical energy into kinetic energy for toasting, then atoaster converts electrical energy into _ energy for toasting? Answer choices: - warmth - humans - kinetic - an object - motion - photons - engines - waves
Answer:
kinetic