Sahara desert
The lack of it.
The desert biome makes up a large portion of the southwest United States.
What biomes makes up most of Northern Africa
It connects Africa and Asia, with trade routes to Europe as well.
Temperate Grassland
because of its tall leaves
Much of the central part of the United States is grassland.
Temperate grassland
The taiga biome has such a spongy surface from the weather slowing down decompisition which makes the vegetation on the ground have a spongy surface.
The main and dominant vegetation found in this biome is grass.
Africa is located in all four hemispheres. The Prime Meridian crosses through Africa, splitting it between the Eastern and Western Hemispheres, while the Equator also crosses through Africa, splitting in between the Northern and Southern Hemispheres.