Item bank an oven that cooks by cycling warm air through the bottom and out the top. grabbing a warm coffee mug to warm your hands. warm water rising to the surface of the ocean and cooler water sinking. cooking popcorn using a microwave. warm air rising off of the pavement. burning yourself by touching boiling water. heat from a fire warming your hands. heat from the sun hitting a solar panel. putting an ice pack on an injury. the handle of a pot becoming too hot to grab as it cooks on the stove

You isolate an infectious substance capable of causing disease in plants, but you do not know whether the infectious agent is a bacterium, virus, viroid, or prion. you have four methods at your disposal to analyze the substance and determine the nature of the infectious agent.i. treat the substance with enzymes that destroy all nucleic acids and then determine whether the substance is still infectious.ii. microscope.iii. culture the substance on nutritive medium, away from any plant cells.iv. treat the sample with proteases that digest all proteins and then determining whether the substance is still infectious.if you already know that the infectious agent was either bacterial or viral, which method(s) listed above would allow you to distinguish between these two possibilities? a) ib) iic) ii or iiid) iv