Define the following terms: Immigration-
Colonization-
Deforestation-
GDP-
Subsistance Aggriculture-
Emmigration-
Commercial Aggriculture-
Tourism-
Petroleum-
HDI-

plz help :(

to immigrate means to live in a new country permanently. To emigrate means to leave your country to enter another. colonization basically means to rule over indigenous people. deforestation is to destroy a huge amount of trees and nature. GDP stands for Gross domestic product. tourism is when a foreigner tours a new place. Subsistence Agriculture is when a farmer grows crops for themselves. Commercial Agriculture is for profit. Petroleum is is a liquids used to produce fuels. HDI stands for Human Development Index

sediment layers stop spreading when they reach a barrier or they run out of sedimentary material. lateral spreading is the movement of gently to steeply sloping, saturated soil deposits caused by earthquake-induced liquefaction. i hope this . : )