All 50 states enacted a bac limit of .08 as the legal limit for drunk drivers over the age of 21.

Which behavior of an expectant mother is unhealthy

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

Which of the following statements best describes the relationship between the environment and the collective health of the world? a. the environment does not affect our health. b. when the environment is damaged, our health improves. c. what is good for the environment is good for our health. d. our collective health is not related to the health of the environment.