7 is neutral but the ones that would be considered acidic is B
Answer: c) the anticipated geographical spread of a disease based on past observances.
Explanation: Prevalence simply means the widespread of a thing or condition. In epidemiology, prevalence can be defined as the total number of people in a population that is affected by a medical condition or total number of cases of a disease in a population in a given period of time.
Expected prevalence of a disease is therefore the anticipated widespread of a disease or the anticipated total number of cases of a disease in a population based on past observed incidences.
Water is the most abundant molecule in the Earth’s atmosphere is false.
During nitrogen fixation, bacteria breaks nitrogen gasses down into a usable form for plants.