When silicon atoms bond, then silicates form which are minerals in which such elements as potassium, calcium, magnesium and aluminum combine with the silicon atoms to form minerals like feldspars of different types or if it is just silicon and oxygen that bond then it forms quartz.
The answers is B.) Large number of Africans we’re forcibly taken to American during the slave trade .
C. Peninsula. An island is surrounded by water and an archipelago is just a collection of islands.
Dead zones are hypoxic (low-oxygen) areas in the world's oceans and large lakes, caused by "excessive nutrient pollution from human activities coupled with other factors that deplete the oxygen required to support most marine life in bottom and near-bottom water.
A grid made up of longitude and latitude lines to precisely locate specific locations. The compass rose indicating the cardinal directions of North, South, East, and West as it relates to the map. The scale compares the distances on the map to actual distances (i.e. 1 inch = 10 miles).