The correct answer is methylation.
This process refers to the addition of methyl groups to the DNA molecule, when the activity of such DNA segments is slightly altered. The more we age, the less methylation there is, which is why the genes of the elderly are different from those of young people.
The British wanted to control South Africa because it was one of the trade routes to India
The correct answer is: "a school board that oversees public education for several communities".
A special-purpouse district, within the US administration, is a goverment unit created to serve a specific objective and separated from local goverments, such as those which govern a town, city, county, etc, hence enjoying administrative and fiscal independence. For instance, school boards are one example as they are fully dedicated to the educative function and other aspects related to it.
Your answer is C hope this helps
