The magma that rises out of them cools eventually, with some help from the water. eventually all the cooled magma builds up into an island.
Sample of many kinds of living things should be examined under a microscope to determine the presence of cells.
Cells are the smallest unit that can be considered alive.
Answer:
This was a problem because the wealthy citizens of the new Latin American countries possessed much needed capital and skills to develop the new nations.
The rulers of the new nations needed these wealthy citizens to provide their capital and labor to start new development processes in agriculture, industry, infraestructure, and so on. When they moved back to Spain, these countries lost the opportunity to make use of this labor and this capital. This contributed indirectly, to the slow advancement of most Latin American nations.