Ocean colonization or ocean colonisation is the theory and practice of permanent human settlement of oceans. Such settlements may be seasteads floating on the surface of the water, or exist as underwater habitats secured to the ocean floor, or in an intermediate position.
The two most common minerals located in Earth's crust are B) Feldspar and quartz
(Earth Science- Geology, the Environment, and the Universe book)
Conformal maps! It is a transformation that preserves local angles.
