Although people usually only hear about the benefits of exercise, there can be risk factors as well. Some of these risks are inherent in different types of exercises or sports, but other risks can be associated with the environment where someone chooses to exercise. What are some environmental risk factors that should be considered and avoided when exercising?

Does indrect sunlight does not pose any danger to the skin

When a patient becomes angry or embarrassed that they are being asked for payment, what you do to lessen the negative reaction?

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