Suppose that for health reasons, the government of the nation of Ironia wants to increase the amount of broccoli citizens consume. Which of the following policies could be used to achieve the goal?
a. A price floor to support broccoli growers.
b. A price ceiling to ensure that broccoli remains affordable to consumers.
c. A subsidy paid to shoppers who buy broccoli.
d. A subsidy paid to farmers who grow broccoli.

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