Question: If viruses can only be seen with a microscope, then what can viruses be seen with? Answer choices: - eye - A computer - magnifying glass - microscope - the skin - radiation - Chemical energy - glasses
Answer: microscope

Question: If male dogs use chemicals to mark their territory, then what do dogs use to mark their territory? Answer choices: - water - Chemicals - layers of fat - food - Animal fur - heat energy - Scratches - heat produced
Answer: Chemicals

Question: If heating water can cause burns, then what can cause burns? Answer choices: - Heating water - fossil fuels - Electrical energy - the skin - Tepid water - insults - Freezing water - heating liquids
Answer:
Heating water