A presumptive Test presumes the pet presence of the question substance it is useful because it tells the drug is used false positive is possible meaning that the test result is positive but the substance is not present.
Answer:
It's a new disease so no one can be sure of how fast it spreads, how it spreads, its symptoms, or anything else about it. It's an outbreak because nothing or not much is known about it.
Water Cycle is the answer
Well a person with HIV would only have AIDS if he/she has really low number of CD4 cells if this is the case that is when doctors would diagnose that person with AIDS. Hope I helped
Answer:
A.
Explanation:
All other options are simply situational, while cold periods are usually seasonal.
