Subsistence farming, form of farming in which nearly all of the crops or livestock raised are used to maintain the farmer and the farmer's family, leaving little, if any, surplus for sale or trade. Preindustrial agricultural peoples throughout the world have traditionally practiced subsistence farming<span>.</span>
Tropical climate. It is also the oldest biome in the world.
I was looking for certain numbers, (how many % of species live there) but couldn't find any :(
Answer:
1. Plate tectonics
2. Internal forces
Explanation:
Mainly earths main geological structures and events are caused by plate tectonic, like how we get mountains and earthquakes. These forces come within the earth, the mantle and the core. Hence forth, internal forces.
