Iam stuck on this question. "viruses are considered to be which of the following? " (this is multiple choice)

The graph below compares the rates of reaction of a burning candle and an exploding firework. comparing chemical reactions what can you conclude from the graph? the reaction that causes a firework to explode requires less energy to start, and occurs more rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires less energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs less rapidly than the reaction that causes a candle to burn. the reaction that causes a firework to explode requires more energy to start, and occurs more rapidly than the reaction that causes a candle to burn. mark this and return

The breakdown of food is accomplished by enzymes. a. physical b. chemical c. mechanical d. none of the above

Which situation is an example of not doing work? lifting a couch throwing a baseball running up stairs carrying a box