A subduction zone is also generated when twooceanic plates collide — the older plate is forced under the younger one — and it leads to the formation of chains of volcanic islands known as island arcs.
Because they are not man made and are part of the earth's natural features caused by the the weathering and erosion of the earth.
C. 6.81x10^-4
It is negative 4 because the 6 is 4 digits away from the first 0.
Scientific notation has one number and then the decimal place so it can not be A or E.
The main event that unified many people all over the globe to speak out against apartheid was when the White Nationalist Party seized a majority based on blatantly racists slogans. This prompted a backlash.