Answer:
In a population, the sum of the relative frequencies of all alleles for a particular trait is equal to 100 percent. equal to the number of alleles for the trait
Explanation:
Gradual changes in the frequency of diseases over long periods are known as SECULAR TIME TRENDS. For example, the rate of mortality in USA due to coronary heart diseases over a period of time. Onset of puberty in girls is also a secular time trend.
Secular time trend is also referred as Secular Variation and Secular Drift.
It may or may not turn acidic depending on the area or time of the year it is.
Answer:
Aristotle first wrote about the practice of animal testing in ancient
Greece during the third century BC.
Explanation: