Answer:
They are called mosaics.
Explanation:
A mosaic is a kind of art in which the artist has to put together small pieces of different materials in order to show an image, the most common materials for this kind of technique are colored glass or stones.
Given the fact that sometimes pebbles are used, they receive the name of "pebble mosaics".
It is common to see this kind of art in religious places; however, It is also very likely to be used in interior decoration in general.
Composed of escaped African slaves
It hurt the south for a while, slave labor was good for the south's economy but bad for competition up north because nobody could find a job if all the slaves worked for free. The removal of slavery cemented this competition-based method into America.
Christmas goldfish is the feature of Christmas Eve dinner in a number of countries
D. a tropical or subtropical grassland with few trees