Answer:
The Earth's crust is broken up into a series of massive sections called plates. These tectonic plates rest upon the convecting mantle, which causes them to move.
Answer:
B. Marine organisms.
Explanation:
The four factors that influence ocean currents are winds, water density (the amount of salt in water and its temperature), the ocean bottom topography and the rotation of the Earth (it creates two currents, one clockwise in the Northern Hemisphere and one counter-clockwise in the Southern Hemisphere). Marine organisms, plants or animals, are not counted as a factor that affects currents.
According to the ICSM (Intergovernmental Committee on Surveying and Mapping), there are five different types of maps: General Reference, Topographical, Thematic, Navigation Charts and Cadastral Maps and Plans.
A. it is made up of rock so hot that it flows