All of the trees in an area are cut down. which of the following has occurred?
a.
overfarming
b.
overgrazing
c.
deforestation
d.
slash and burn farming

How were the okanogan highlands formed? a. by subduction, which caused huge folds in earths surface b. as a result of retreating glaciers carving great valleys into the earth c. when molten rock from under the earth approached the surface d. when the collision of volcanic island chains and ocean rocks formed new earth

An effect of the steamboat's popularity was that fewer people traveled by rail. o steam locomotives became less popular. people began to build canals in the united states and europe. o more people began to travel between the united states and europe.

What was ptahhotep's purpose in writing this passage?