What are two benefits of practicing a sport?

Which of the following is true about marijuana? a) commonly known as the date ra.pe drug b) also called smack c) a common drug used for "relaxation d) also known as laughing gas

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

Why would you want to know early on if a deadly disease runs in your family? knowing early will eliminate the disease knowing early will let you better manage stress knowing early can you prevent the disease knowing early can remind you that life is short