How does development occur​

According to nutrition labeling laws, what two minerals must be listed on the package label as a percent daily value? calcium and iron zinc and phosphorus fluoride and chloride chromium and magnesium copper and potassium

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

2. which of the following is an incorrect statement? the idealrehabilitation program isa. never changed once written.b. based on the patient's age, injury, and other factors.c. monitored periodically to remain effective.d. re-evaluated if new injuries occur.