1. Can you identify the two characters 2. What is the activity required by their teacher for these two characters to do?

3. Describe the emotion felt by the character hiding behind her friend?

4. What term do we usually use to refer to the fear of speaking before an audience?

5. Looking at the last frame, what happened to the two characters?

6. Write down the verbs in the past tense that you can see inside the speech bubbles?

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