Genius IQ is generally considered to begin around 140 to 145, representing ~.25% of the population (1 in 400). Here's a rough guide: 115-124 - Above average (e.g., university students) 125-134 - Gifted (e.g., post-graduate students).
The answer is B. Apartheid was used in South Africa to separate races.
The following president who only served one term was John Adams
Flint was used to make some tools and weapons.
